(1) These Regulations may be cited as the Energy-Saving Items (Income Tax) Regulations 2007, shall come into force on 6th December 2007, and shall have effect in respect of expenditure incurred on or after 6th April 2007.
(2) In these Regulations—
“ ITTOIA 2005 ” means the Income Tax (Trading and Other Income) Act 2005;
“deduction” means a deduction allowed under section 312 of ITTOIA 2005 (deduction for expenditure on energy-saving items);
“maximum amount” shall be construed in accordance with regulation 3(1);
“relevant expenditure” means—
expenditure incurred in acquiring and installing an energy-saving item in a dwelling-house, or
in so far as it is for the benefit of a dwelling-house, expenditure incurred in acquiring and installing an energy-saving item in a building containing that dwelling-house.