text: (d) United Kingdom nationals repatriated from abroad at public expense, until they have repaid the cost of repatriation. 178. These classes define the limits within which passports are refused, although in practice not everyone within them is denied passport facilities. Decisions under (c) above are always made personally by the Secretary of State. He may at his discretion withdraw British passport facilities which he has granted. The exercise of the discretion of the Secretary of State to CCPR/C/58/Add.6 page 41 refuse or withdraw passports may be reviewed by the courts. The operation of these provisions rarely leads to the outright refusal of passport facilities. The procedure is as follows: C&tegpry (a)—(Minors). The applicant is advised of the existence of the court order and how to obtain the necessary consents. If these are not forthcoming, the application is generally withdrawn. When an application is made to a consular post overseas, an emergency passport would be provided to enable the child to travel to the United Kingdom; Category (b) (Warrants of arrest). On receipt of a passport application in the United Kingdom, efforts are made to put the warrant into effect, and the application is held in abeyance. The passport would be issued on conclusion of the case. Overseas there have been very few cases, perhaps two or three in recent years, where full passport facilities have been refused. Again an emergency passport for return to the United Kingdom is offered in all cases; Category (c) (Undesirable activities). About 25 persons have had their passports withdrawn since 1947 on the ground of overriding public interest, mainly in cases involving subversion or espionage; Category (d) (Repatriation Debtors). Records show that 744 persons were repatriated at public expense in 1988. Their passports are impounded on arrival in the United Kingdom pending repayment of the cost of repatriation. 
analysis: The text appears to be discussing the policies and procedures surrounding the issuance and revocation of British passports, particularly in cases where the individual has been involved in undesirable activities, has outstanding debts, or is subject to a court order or warrant. The text also mentions the cost of repatriation and the impounding of passports pending repayment. Given these themes, it seems likely that the text falls under the category of government or immigration policy.