“(1) On making a contract payment the contractor (see section 57(3)) must deduct from it a sum equal to the relevant percentage of so much of the payment as is not shown to represent the direct cost to any other person of materials used or to be used in carrying out the construction operations to which the contract under which the payment is to be made relates.”
“ 13 (1) This regulation applies if – …. (b) an officer of Revenue and Customs has reason to believe, as a result of an inspection under regulation 51 or otherwise, that there may be an amount payable for a tax year under these Regulations by a contractor that has not been paid to them, or (c) an officer of Revenue and Customs considers it necessary in the circumstances. (2) An officer of Revenue and Customs may determine the amount which to the best of his judgment a contractor is liable to pay under these Regulations, and serve notice of his determination on the contractor. …. (5) A determination under this regulation is subject to Parts 4, 5 and 6 of TMA (assessment, appeals, collection and recovery) as if – (a) the determination were an assessment, and (b) the amount determined were income tax charged on the contractor, and those Parts of that Act apply accordingly with any necessary modifications, except that the amount determined is due and payable 14 days after the determination is made.”
“(1) Whenever required to do so by a person nominated by the Commissioners for Her Majesty’s Revenue and Customs, a contractor must produce to that person all contractor records, or such contractor records as may be specified by that person, for inspection at the prescribed place and at such time as that person may reasonably require. (2) “Contractor records” means all documents and records relating to – (a) the calculation and payment of sums paid by the contractor to sub-contractors (or their nominees) under contracts relating to construction operations, and (b) the deductions made from such sums required under section 61 of the Act, in the tax years or tax periods specified by the nominated person.”
“(1) A return must be made to the Commissioners for Her Majesty’s Revenue and Customs in a document or format provided or approved by the Commissioners – (a) not later than 14 days after the end of every tax month, by a contractor making contract payments….. …. (2) The return under paragraph (1) must contain the following information – ….. (d) in respect of each sub-contractor to whom, or to whose nominee, payments under construction contracts were made by the contractor during that month, - …. (iii) the information specified in paragraph (3). (3) The information specified is – …. (b) if the sub-contractor is registered for payment under deduction – …. (ii) the total amount of contract payments made by the contractor to the sub-contractor during the month, (iii) the total amount included in those payments which the contractor is satisfied represents the direct cost to any person other than the contractor of materials used or to be used in carrying out the construction contract to which the payment relates, and (iv) the total amount deducted from the payments mentioned in pargraph (3)(b)(ii) under section 61 of the Act (deduction on account of tax from contract payments); …. (7) The contractor must make and keep such records as will enable him to comply with this regulation.”