93. Where services, or services together with goods, are supplied in the course of the construction, alteration, demolition, repair or maintenance of a building or of any civil engineering work under a contract which provides for payment for such supplies to be made periodically or from time to time, a supply shall be treated as taking place at the earlier of the following times—
(a)each time that a payment is received by the supplier where the consideration for the contract is wholly in money, or
(b)each time that the supplier issues a VAT invoice.
Commencement Information
I1Reg. 93 in force at 20.10.1995, see reg. 1