“collaboration arrangements” (“trefniadau cydlafurio”) means an activity performed in the exercise of a Welsh improvement authority's powers of collaboration;

“financial year” (“blwyddyn ariannol”) means a year beginning with 1 April;

“improvement plan” (“cynllun gwella”) means the plan referred to in section 15(6);

“powers of collaboration” (“pwerau cydlafurio”) has the meaning given by section 11(1);

“relevant functions” (“swyddogaethau perthnasol”), in relation to a relevant regulator, means the functions specified in respect of the regulator in section 16(2);

“relevant regulator” (“rheoleiddiwr perthnasol”) means a person mentioned in section 16(2);

“special inspection” (“arolygiad arbennig”) has the meaning given by section 21;

“Welsh fire and rescue authority” (“awdurdod tân ac achub Cymreig”) has the meaning given by section 1(c);

“Welsh improvement authority” (“awdurdod gwella Cymreig”) has the meaning given by section 1.