“the Assembly” means the National Assembly for Wales;

“enactment” includes a Measure or Act of the Assembly and subordinate legislation (within the meaning of the Interpretation Act 1978);

“financial year” means the 12 months ending with 31 March;

“GOWA 2006” means the Government of Wales Act 2006;

“modifications” includes amendments, repeals and revocations;

“tax year” means a year beginning on 6 April and ending on the following 5 April.