# The Income Tax (Sub-contractors in the Construction Industry) (Amendment) Regulations 1993, Regulation 4: Amendments to the Principal Regulations In Regulation 12A of the Principal Regulations, in paragraph (1), there shall be inserted after the words β€œ19th April 1988” the words β€œfor a year not later than the year ended on 5th April 1992”. --- Source: https://www.legislation.gov.uk/uksi/1993/724/regulation/4 (the official version) Page: https://openlegislation.uk/income-tax-sub-contractors-in-the-construction-industry-amendment-regulations-1993/regulation-4 Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.