Sch 6 para 7
(1) Where there is a supply of services by virtue of— (a) a Treasury order under section 5(4); or (b) paragraph 5(4) of Schedule 4 (but otherwise than for a consideration), the value of the supply shall be taken to be the full cost to the taxable person of providing the services except where paragraph 10 below applies. (2) Regulations may, in relation to a supply of services by virtue of paragraph 5(4) of Schedule 4 (but otherwise than for a consideration), make provision for determining how the full cost to the taxable person of providing the services is to be calculated. (3) The regulations may, in particular, make provision for the calculation to be made by reference to any prescribed period. (4) The regulations may make— (a) different provision for different circumstances; (b) such incidental, supplementary, consequential or transitional provision as the Commissioners think fit.