http://www.legislation.gov.uk/ukpga/1963/39/section/51/enactedCriminal Justice (Scotland) Act 1963Legal aid and advicePrisonsOffendersLegislationTSOCopyright The Stationery Office 2006King's Printer of Acts of Parliament2020-06-17 PART VI 51 1 In this Act, unless the context otherwise requires, the following expressions have the meanings hereby assigned to them, that is to say :— " fine " includes an instalment of a fine; " impose detention " or " impose imprisonment " means pass a sentence of detention or imprisonment, as the case may be, or make an order for committal in default of payment of any sum of money or for failing to do or abstain from doing anything required to be done or left undone; " prison " does not include a naval, military or air force prison. 2 References in this Act to a court do not include references to a court-martial; and nothing in this Act shall be construed as affecting the punishment which may be awarded by a court-martial under the Naval Discipline Act 1957, the Army Act 1955 or the Air Force Act 1955 for a civil offence within the meaning of those Acts. 3 For the purposes of any reference in this Act to a term of imprisonment or to a term of detention in a young offenders institution, consecutive terms and terms which are wholly or partly concurrent shall be treated as a single term. 4 Where the age of any person at any time is material for the purposes of any provision of this Act regulating the powers of a court, his age at the material time shall be deemed to be or to have been that which appears to the court, after considering any available evidence, to be or to have been his age at that time. 5 References in this Act to an offence punishable with imprisonment shall be construed in relation to any offender without regard to any prohibition or restriction imposed by section 1 of this Act and by section 18 (1) of the Criminal Justice (Scotland) Act 1949 (which subsection prohibits the imprisonment of persons under seventeen years of age) upon the imprisonment of offenders of his age. 6 Any reference in this Act to any other enactment is a reference thereto as amended, and includes a reference thereto as extended or applied, by or under any other enactment, including this Act.