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Security clearance



 
 
For use by the United Nations
United Nations

The United Nations is an international organization whose stated aims are to facilitate cooperation in international law, international security, economic development, Social change, human rights and achieving world peace....
, see Security Clearance (UN)
Security Clearance (UN)

A United Nations Security Clearance is a required procedure and document for United Nations staff travelling to areas designated as security phase areas, with numbers ranging from one to five ....


A security clearance is a status granted to individuals allowing them access to classified information
Classified information

Classified information is sensitive information to which access is restricted by law or regulation to particular classes of persons. A formal security clearance is required to handle classified documents or access classified data....
, e.g., state secrets. The term "security clearance " is also sometimes used in private organizations that have a formal process to vet
Vetting

Vetting is a process of examination and evaluation, generally referring to performing a background check on someone before offering him or her employment....
 employees for access to sensitive information. A clearance by itself is normally not sufficient to gain access; the organization must determine that the cleared individual needs to know
Need to Know

Category:Articles to be expanded"Need to Know" is an episode of the American television series The New Twilight Zone....
 the information.






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Encyclopedia


For use by the United Nations
United Nations

The United Nations is an international organization whose stated aims are to facilitate cooperation in international law, international security, economic development, Social change, human rights and achieving world peace....
, see Security Clearance (UN)
Security Clearance (UN)

A United Nations Security Clearance is a required procedure and document for United Nations staff travelling to areas designated as security phase areas, with numbers ranging from one to five ....


A security clearance is a status granted to individuals allowing them access to classified information
Classified information

Classified information is sensitive information to which access is restricted by law or regulation to particular classes of persons. A formal security clearance is required to handle classified documents or access classified data....
, e.g., state secrets. The term "security clearance " is also sometimes used in private organizations that have a formal process to vet
Vetting

Vetting is a process of examination and evaluation, generally referring to performing a background check on someone before offering him or her employment....
 employees for access to sensitive information. A clearance by itself is normally not sufficient to gain access; the organization must determine that the cleared individual needs to know
Need to Know

Category:Articles to be expanded"Need to Know" is an episode of the American television series The New Twilight Zone....
 the information. No one is supposed to be granted access to classified information solely because of rank, position, or a security clearance.

Canada


Background

Government classified information is governed by the Treasury Board
Treasury Board

In the Government of Canada, the Treasury Board is the only statutory cabinet committee. It is in charge of the federal civil service, and for much of the operation of the Canadian government....
 Government Security Policy (GSP), the Security of Information Act
Security of Information Act

In Canada, the Security of Information Act is part of the Canadian Anti-Terrorism Act which received Royal Assent on December 18, 2001 and came into effect on December 24, 2001....
 and Privacy Act. Only those that are deemed to be trustworthy and have been cleared are allowed to access sensitive information.

Checks includes basic demographic and criminal record check for all levels, and depending on individual appointment's requirement, credit checks, loyalty, and field checks might be conducted by the RCMP
Royal Canadian Mounted Police

The Royal Canadian Mounted Police is the federal police, national police, and paramilitary police force of Canada, and one of the most recognized of its kind in the world....
 and/or CSIS
Canadian Security Intelligence Service

The Canadian Security Intelligence Service is the primary intelligence agency of the Canadian government. It is responsible for collecting, analyzing and reporting Intelligence on threats to Canada's national security, and conducting operations, covert operation and overt, within Canada and abroad....
.

Clearance is granted, depending on types of appointment, by individual Federal government departments/agencies or by private company security officers. Those who have contracts with Public Works and Government Services Canada
Public Works and Government Services Canada

Public Works and Government Services Canada, also referred to as Department of Public Works and Government Services, is the Ministry of the government of Canada with responsibility for the government's internal Civil service and Public administration....
 are bound by the Industrial Security Program, a sub-set of the GSP.

In order to access protected information
Classified information

Classified information is sensitive information to which access is restricted by law or regulation to particular classes of persons. A formal security clearance is required to handle classified documents or access classified data....
, one must have at least ERS. Reliability checks and assessments are conditions of employment under the Public Service Employment Act, and, thus, all Government of Canada employees have at least RS screening completed prior to their appointment. However, Government employees by Order-in-council
Order-in-Council

An Order-in-Council is a type of legislation in many countries, typically those in the Commonwealth of Nations. In the United Kingdom this legislation is formally made in the name of the Queen of the United Kingdom by the Privy Council of the United Kingdom ; in Canada in the name of the Governor General of Canada by the Queen's Privy Council...
 are not subjected to this policy.

Clearances at the RS/ERS/C/S level are valid for 10 years, whereas TS is valid for 5 years. However, departments are free to requests their employees to undergo security screening anytime for cause. Because security clearances are granted by individual departments instead of one central government agency, clearances are inactivated at the end of appointment or when an individual transfers out of the department. The individual concern can then apply to reactivate and transfer the security clearance to his/her new position.

Hierarchy

Five levels of personnel screening exist:

Security Screening
Individuals who need to have RS/ERS because of their job or access to federal government assets will be required to sign the Personnel Screening, Consent and Authorization Form (TBS/SCT 330-23e).

  • Reliability Status (RS)
    • Basic reliability checks are done by verifying personal data, educational, and professional qualifications, data on previous employment and references. As well, a name check of criminal records may be required.
    • This level of clearance does not grant the right to access to protected or classified information. Anyone who has access to unclassified or undesignated information/assets of the federal government requires this level.
  • Enhanced Reliability Status (ERS)
    • In addition to the basic reliability checks, enhanced reliability status includes a criminal records name check and may require a fingerprint check and a credit check.
    • This level of clearance will grant the right to access protected A,B, & C information/assets on a need-to-know
      Need to Know

      Category:Articles to be expanded"Need to Know" is an episode of the American television series The New Twilight Zone....
       basis.


Security Assessment/Clearances
Individuals who need to have C/S/TS clearances because of their job or access to federal government assets will be required to sign the Security Clearance Form (TBS/SCT 330-60e).

  • Confidential (Level I)
    • In addition to the ERS checks, foreign employments, immediate relatives, and marriages/common-law relationships must be declared and be screened.
    • This level of clearance will grant the right to access protected and classified information up to Confidential level on a need-to-know
      Need to Know

      Category:Articles to be expanded"Need to Know" is an episode of the American television series The New Twilight Zone....
       basis. Department Head have the discretion to allow for an individual to access Secret level information without higher level clearance on a case-to-case basis.
  • Secret (Level II)
    • Same as Confidential.
    • This level of clearance will grant the right to access protected and classified information up to Secret level on a need-to-know
      Need to Know

      Category:Articles to be expanded"Need to Know" is an episode of the American television series The New Twilight Zone....
       basis. Department Heads have the discretion to allow for an individual to access Top Secret-level information without higher-level clearance on a case-to-case basis.
  • Top Secret (Level III)
    • In addition to the checks at the Secret level, foreign travels, assets, and character references must be given. Field check will also be conducted prior to granting the clearance.
    • This level of clearance will grant the right to access all protected and classified information on a need-to-know
      Need to Know

      Category:Articles to be expanded"Need to Know" is an episode of the American television series The New Twilight Zone....
       basis.


Site Access
An additional category called 'Site Access' exists not for access to information purposes but for those that require physical access to sites or facilities designated by CSIS
Canadian Security Intelligence Service

The Canadian Security Intelligence Service is the primary intelligence agency of the Canadian government. It is responsible for collecting, analyzing and reporting Intelligence on threats to Canada's national security, and conducting operations, covert operation and overt, within Canada and abroad....
 as areas "reasonably be expected to be targeted by those who engage in activities constituting threats to the security of Canada". Designated areas include Government Houses
Government Houses of Canada

Government House is a title given to the official residences of Canada's viceroys . In most cases the title is also used as the building's name, but this is not universal....
, official residences of government officials, Parliament
Parliament Hill

File:Model of Parliament Hill.jpgParliament Hill is an area of Crown land on the southern banks of the Ottawa River in downtown Ottawa, Ontario....
, nuclear facilities
List of Canadian nuclear facilities

The following is a list of Canadian nuclear generating stations:* Bruce Nuclear Generating Station * Pickering Nuclear Generating Station * Darlington Nuclear Generating Station ...
, airport restricted areas, maritime ports, and any large-scale events that are sponsored by the federal government (i.e., 2010 Winter Olympics
2010 Winter Olympics

The 2010 Winter Olympics, officially known as the XXI Olympic Winter Games or the 21st Winter Olympics, will be held February 12-28, 2010, in Vancouver, British Columbia, Canada, with some events held in the resort town of Whistler, British Columbia nearby....
). The checks conducted are similar to those of a Confidential clearance.

Legal

Prior to granting access to information, an individual who has been cleared must sign a Security Screening Certificate and Briefing Form (TBS/SCT 330-47), indicating their willingness to be bound by several Acts of Parliament during and after their appointment finishes. Anyone who has been given a security clearance and releases protected/classified information without legal authority is in breach of trust under section 18(2) of the Security of Information Act
Security of Information Act

In Canada, the Security of Information Act is part of the Canadian Anti-Terrorism Act which received Royal Assent on December 18, 2001 and came into effect on December 24, 2001....
 with a punishment up to 2 years in jail. Those who have access to Special Operational Information are held at higher standards. The release of such information is punishable by law, under section 17(2) of the Security of Information Act
Security of Information Act

In Canada, the Security of Information Act is part of the Canadian Anti-Terrorism Act which received Royal Assent on December 18, 2001 and came into effect on December 24, 2001....
, liable to imprisonment for life.

The Criminal Code of Canada
Criminal Code of Canada

The Criminal Code of Canada is the codification of most of the criminal offences and procedure in Canada. Section 91 of the Canadian constitution establishes criminal law as under the sole jurisdiction of the federal Parliament....
, Section 748 (3) states that no person convicted of an offence under Section 121 (frauds on the Government), Section 124 (selling or purchasing office), or Section 418 (selling defective stores to Her Majesty), has, after that conviction, the capacity to contract with Her Majesty or to receive any benefits under a contract between Her Majesty and any other person or to hold office under Her Majesty unless a pardon has been granted. (This effectively prohibits granting of a Reliability Status to any such individual.)

United Kingdom


Clearance is checked at four levels, depending on the classification of materials that can be accessed — Counter-Terrorist Check (CTC), Baseline Check (BC), Security Check (SC), and Developed Vetting (DV). Security Check allows an individual long-term unsupervised access to protectively-marked SECRET material, whilst for TOP SECRET Developed Vetting is required. All Officers within the British Armed Forces are cleared to SC by default. Those with security clearance must usually sign the Official Secrets Act
Official Secrets Act

The Official Secrets Act is any of several Act of Parliament of the Parliament of the United Kingdom for the protection of official information, mainly related to national security....
.

History

After America's entry into WWII, Britain changed its security classifications to match American classifications. Prior to the U.S.'s coming into the war, the classifications included the top classification: "Most Confidential". Documents were then shared with the U.S., when they entered the war. However, these British classifications were not understood in the U.S., and classified information appeared in the U.S. press. This spearheaded the uniformity in classification between the UK and the U.S.

United States


Hierarchy


A security clearance is, in general, granted to a particular level of clearance. The exception to this is levels above compartmentalized access, when an individual is given access to a particular type of data.

Controlled Unclassified Information
This is not a clearance, but rather a level at which information distribution is controlled. Controlled Unclassified is information that may be illegal to distribute. This information is available when needed by government employees such as Department of Defense (DoD) employees. It should not, however, be redistributed. An example of the type of information that may be controlled at this level is the operational details of a non-critical system.

Confidential
The simplest security clearance to get. This level typically requires a few weeks to a few months of investigation. A Confidential clearance requires a NACLC
National Agency Check with Local Agency Check and Credit Check

National Agency Check with Local Agency Check and Credit Check is a type of background check required in the United States for granting of security clearances....
 investigation which dates back 7 years on the person's record and must be renewed (with another investigation) every 15 years.

Secret
A Secret clearance, also known as Collateral Secret or Ordinary Secret, requires a few months to a year to fully investigate, depending on the individual's background. Some instances wherein individuals would take longer than normal to be investigated are many past residences, having residences in foreign countries, having relatives outside the United States, or significant ties with non-US citizens. Bankruptcy and unpaid bills as well as criminal charges will more than likely disqualify an applicant for approval. Poor financial history is the number-one cause of rejection, and foreign activities and criminal record are also common causes for disqualification. A Secret clearance requires a National Agency Check, a Local Agency Check, and a Credit investigation; it must also be reinvestigated every 10 years.

Top Secret
Top Secret is a more stringent clearance. A Top Secret, or "TS", clearance, is often given as the result of a Single Scope Background Investigation
Single Scope Background Investigation

A Single Scope Background Investigation is a type of United States security clearance investigation required for Top Secret, Sensitive Compartmented Information and Q clearance access, and involves agents contacting employers, coworkers and other individuals....
, or SSBI. Top Secret clearances, in general, afford one access to data that affects national security
National security

The late political scientist Hans Morgenthau, author of Politics Among Nations, defines national security as the integrity of the national territory and its institutions....
, counterterrorism/counterintelligence, or other highly sensitive data. There are far fewer individuals with TS clearances than Secret clearances. A TS clearance can take as few as 3-6 months to obtain, but more often takes 6-18 months, while sometimes taking up to 3 years to obtain. The SSBI must be renewed every 5 years.

Compartmented Information
As with TS clearances, Sensitive Compartmented Information (SCI) or Special access program
Special access program

Special access programs and special access budgets are the Pentagon's terminology when used to refer to Black project and black budgets, respectively....
 (SAP) clearances are assigned only after one has been through the rigors of a Single Scope Background Investigation
Single Scope Background Investigation

A Single Scope Background Investigation is a type of United States security clearance investigation required for Top Secret, Sensitive Compartmented Information and Q clearance access, and involves agents contacting employers, coworkers and other individuals....
 and a special adjudication process for evaluating the investigation. SCI access, however, is assigned only in "compartments." See Compartmentalization (intelligence)
Compartmentalization (intelligence)

In matters concerning Intelligence , whether public or private sector, compartmentalization of information means to limit access to information to persons who directly need to know certain such information in order to perform certain tasks....
. These compartments are necessarily separated from each other with respect to organization, so an individual with access to one compartment will not necessarily have access to another. Each compartment may include its own additional special requirements and clearance process. An individual may be granted access, or 'read-in' to a compartment for an extended or only short period of time.

A representative list of kinds of information that may require compartmented access, without using specific national terminology, includes:
  • Cryptography
    Cryptography

    Cryptography is the practice and study of hiding information. In modern times cryptography is considered a branch of both mathematics and computer science and is affiliated closely with information theory, computer security and engineering....
  • Overhead reconnaissance from aircraft, UAVs
    Unmanned aerial vehicle

    File:MQ-9 Reaper in flight .jpgAn unmanned aerial vehicle is an unpiloted aircraft. UAVs come in two varieties: some are controlled from a remote location, and others fly autonomously based on pre-programmed flight plans using more complex dynamic automation systems....
    , or satellites IMINT
    IMINT

    IMINT, short for IMagery INTelligence, is an list of intelligence gathering disciplines which collects information via satellite and aerial photography....
  • Communications intelligence, a subset of SIGINT
    SIGINT

    Signals intelligence is list of intelligence gathering disciplines by interception of signals, whether between people or between machines , or mixtures of the two....
  • Design or stockpile information about nuclear weapons
  • Nuclear targeting.


Such compartmentalized clearances may be expressed as "John has a TS/SCI", whereby all clearance descriptors are spelled out verbally. For example, The US National Security Agency
National Security Agency

The National Security Agency/Central Security Service is a Cryptology Intelligence agency of the Federal government of the United States, administered as part of the United States Department of Defense....
 used to use specialized terms such as "Umbra", This classification is reported to be a compartment within the "Special Intelligence" compartment of SCI. The various NSA compartments have been simplified; all but the most sensitive compartments are marked "CCO", meaning "handle through COMINT channels only".

The US Department of Defense establishes, separately from intelligence compartments, special access programs (SAP) when vulnerability of specific information is exceptional and the normal criteria for determining eligibility for access applicable to information classified at the same level are not deemed sufficient to protect the information from unauthorized disclosure. The number of people cleared for access to such programs is typically kept low. Information about stealth technology
Stealth technology

Stealth technology also known as LO technology is a sub-discipline of military electronic countermeasures which covers a range of techniques used with stealth aircraft, stealth ship, submarines, and missiles, in order to make them less visible to radar, infrared, sonar and other detection methods....
, for example, often requires such access.

Jobs that require a clearance

A common misconception is that security clearance holders work as spies or in intelligence fields. Anyone with access to classified data requires a clearance at or higher than the level at which the data is classified. For this reason, security clearances are required for a wide range of jobs, from senior management to janitorial.

Jobs that require a security clearance can be found either as positions working directly for the Federal government or as authorized Federal contractors. Over time, more clearance jobs are being outsourced to contractors. Due to an overall shortage in security-cleared candidates and a long time frame to obtain the credentials for an uncleared worker, those with clearance are often paid more than their non-cleared equivalent counterparts.

Requirements for a clearance

The vetting
Vetting

Vetting is a process of examination and evaluation, generally referring to performing a background check on someone before offering him or her employment....
 process for a security clearance is usually undertaken only when someone is hired or transferred into a position that requires access to classified information. The employee is typically fingerprinted
Fingerprint

A fingerprint is an impression of the friction ridges of all part of the finger. A friction ridge is a raised portion of the epidermis on the palmar or digits or plantar skin, consisting of one or more connected ridge units of friction ridge skin....
 and asked to fill out a detailed life history form, including all foreign travel, which becomes a starting point for an investigation into the candidate's suitability. This process can include several types of investigations, depending on the level of clearance required:

  • National Agency Check with Local Agency Check and Credit Check
    National Agency Check with Local Agency Check and Credit Check

    National Agency Check with Local Agency Check and Credit Check is a type of background check required in the United States for granting of security clearances....
     (NACLC). An NACLC is required for a Secret, L, and CONFIDENTIAL access. (See: Background check
    Background check

    A background check or background investigation is the process of looking up and compiling criminal records, commercial records and financial records of an individual....
    )
  • Single Scope Background Investigation
    Single Scope Background Investigation

    A Single Scope Background Investigation is a type of United States security clearance investigation required for Top Secret, Sensitive Compartmented Information and Q clearance access, and involves agents contacting employers, coworkers and other individuals....
     (SSBI). An SSBI is required for Top Secret, Q, and SCI access, and involves agents contacting employers, coworkers and other individuals. Standard elements include checks of employment; education; organization affiliations; local agencies; where the subject has lived, worked, or gone to school; and interviews with persons who know the individual. The investigation may include an NACLC on the candidate’s spouse or cohabitant and any immediate family members who are U.S. citizens other than by birth or who are not U.S. citizens.
  • Polygraph
    Polygraph

    A polygraph is an instrument that measures and records several physiological responses such as blood pressure, pulse, Respiration breathing rhythms body temperature and Galvanic skin response while the subject is asked and answers a series of questions, on the theory that false answers will produce distinctive measurements....
    . Some agencies may require polygraph examinations. The most common examinations are Counter Intelligence (CI) and Full-Scope (Lifestyle) polygraphs. While a positive SSBI is sufficient for access to SCI-level information, polygraphs are routinely administered for "staff-like" access to particular agencies.


If issues of concern surface during any phase of security processing, coverage is expanded to resolve those issues. At lower levels, interim clearances may be issued to individuals who are presently under investigation, but who have passed some preliminary, automatic process. Such automatic processes include things such as credit checks, felony
Felony

A felony is a serious crime in the United States and previously other common law countries. The term originates from English common law where felonies were originally crimes which involved the confiscation of a convicted person's land and goods; other crimes were called misdemeanors....
 checks, and so on. An interim clearance may be denied (although the final clearance may still be granted) for having a large amount of debt or having admitted to seeing a doctor for a mental health
Mental health

Mental health is a term used to describe either a level of cognition or emotional Quality of life or an absence of a mental disorder. From perspectives of the discipline of positive psychology or holism mental health may include an individual's ability to enjoy life and procure a balance between life activities and efforts to achieve psychol...
 condition.

Investigations conducted by one federal agency are no longer supposed to be duplicated by another federal agency when those investigations are current within 5 years and meet the scope and standards for the level of clearance required. The high-level clearance process can be lengthy, sometimes taking a year or more. The long time needed for new appointees to be cleared has been cited as hindering U.S. presidential transitions.

The security clearance forms are available at http://www.gsa.gov/Portal/gsa/ep/formslibrary.do?formType=SF by searching for SF86 and SF85.

Security briefings

In the U.S., once the clearance is granted, the candidate is briefed on "the proper safeguarding of classified information and on the criminal, civil, and administrative sanctions that may be imposed on an individual who fails to protect classified information from unauthorized disclosure." He or she is also required to sign an approved non-disclosure agreement
Non-disclosure agreement

A non-disclosure agreement , also known as a confidentiality agreement, confidential disclosure agreement , proprietary information agreement , or secrecy agreement, is a law contract between at least two party that outlines confidential materials or knowledge the parties wish to share with one another for certain pur...
 (e.g., form SF-312
Form SF-312

Standard Form 312 is a non-disclosure agreement required under Executive Order 13292 to be signed by employees of the U.S. Federal Government or one of its contractors when they are granted a security clearance for access to classified information....
). High level clearances are reviewed periodically and any "adverse information" reports received at any time can trigger a review. When a clear persons leaves their job, they are often "debriefed" — reminded of their ongoing obligations to protect the information they were allowed to see.

Individuals who have had security clearances revoked

In the post World War II
World War II

World War II, or the Second World War , was a global military conflict which involved a Participants in World War II, including all of the great powers, organised into two opposing military alliances: the Allies of World War II and the Axis powers....
 era there have been several highly publicized, and often controversial, cases of officials or scientists having their security clearances revoked, including:

  • Robert Oppenheimer
    Robert Oppenheimer

    Julius Robert Oppenheimer was an American theoretical physics and professor of physics at the University of California, Berkeley. He is best known for his role as the scientific director of the Manhattan Project: the World War II effort to develop the first nuclear weapons at the secret Los Alamos National Laboratory in New Mexico....
  • Wen Ho Lee
    Wen Ho Lee

    Wen Ho Lee is a Taiwan-born Chinese-United States scientist who worked for the University of California at the Los Alamos National Laboratory. A federal grand jury indicted him of stealing secrets about United States nuclear weapon for the People's Republic of China in December 1999....
  • John M. Deutch
    John M. Deutch

    John Mark Deutch is an United States chemist and civil servant. He was the United States Deputy Secretary of Defense from 1994 to 1995 and Director of Central Intelligence from May 10, 1995 until December 14, 1996....
  • Sandy Berger
    Sandy Berger

    Samuel Richard "Sandy" Berger served as the 19th United States National Security Advisor under President of the United States Bill Clinton from 1997 to 2001....
  • Alan Turing
    Alan Turing

    Alan Mathison Turing, Order of the British Empire, Fellow of the Royal Society was a British mathematician, logician and Cryptanalysis....
     (UK)
    United Kingdom

    The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom , the UK or Britain,is a sovereign state located off the northwestern coast of continental Europe....
  • Abdel-Moniem El-Ganayni
    Abdel-Moniem El-Ganayni

    Dr. Abdel-Moniem ibn Ali El-Ganayni is an Egyptian-born United States nuclear physicist, former prison Imam, and an active member of the Pittsburgh Muslim community....


See also

  • Background Check
    Background check

    A background check or background investigation is the process of looking up and compiling criminal records, commercial records and financial records of an individual....
  • Compartmentalization (intelligence)
    Compartmentalization (intelligence)

    In matters concerning Intelligence , whether public or private sector, compartmentalization of information means to limit access to information to persons who directly need to know certain such information in order to perform certain tasks....
  • List of U.S. security clearance terms
    List of U.S. security clearance terms

    The followings list of terms is used to indicate type, level, or scope of security clearance and background investigation in the United States.Security clearance descriptors often appear in employment advertisements, as employers generally prefer to hire people who are already cleared to access Classified information in the United States at the l...
  • Q clearance
    Q clearance

    Q clearance is a United States Department of Energy security clearance equivalent to a United States Department of Defense Classified information in the United States#Top secret clearance + Critical Nuclear Weapon Design Information ....
  • L clearance
    L clearance

    A United States Department of Energy clearance equivalent to a United States Department of Defense Security_clearance#Secret. L clearances are issued to non-military personnel only and deal specifically with atomic and/or nuclear physics related materials, including nuclear weapons....
  • Yankee White
    Yankee White

    Yankee White is an administrative nickname for a background check given in the United States for personnel working with the President of the United States....
  • Security Advisory Opinion
    Security Advisory Opinion

    Security Advisory Opinion or Washington Special Clearance, commonly called security clearance, administrative clearance, or administrative processing, is a process the United States United States Department of State and the diplomatic missions of the United States use in deciding to grant or deny a United States visa...


External links


Canada


UK


US