Council of Civil Service Unions v Minister for the Civil Service (GCHQ) is a British intelligence agency that provides signals intelligence to the British government and armed forces. Prior to 1983 its existence was not acknowledged, despite the fact that it openly recruited graduates. Following a spy scandal in 1983, the organisation became known to the public, and the government of Margaret Thatcher decided a year later that employees would not be allowed to join a trade union for national security reasons. The Minister for the Civil Service is a position held "ex officio" by the Prime Minister. This was done through an Order in Council, an exercise of the Royal
Law for the Restoration of the Professional Civil Service They could be let go or prematurely forced into retirement. According to § 3 (2), however, "non-Aryan" officials should be left in their positions if they had occupied those positions since a date before August 1914. Those Jewish civil servants who had a son or father who had been killed in the First World War were also spared from being sacked. This loophole also applied to "Frontkämpfer" (Front-line soldiers) (see Frontkämpferprivileg). All persons in the civil service would have to be able to produce the Ariernachweis (proof of Aryan ancestry) in order to prove that they had no ancestors of