A building control authority may carry out a restricted activity in relation to any work only through a registered building inspector, acting on the authority's behalf, whose registration has effect in relation to work of that description.
Before each exercise of a restricted function in relation to any work, a building control authority must obtain and consider the advice of a registered building inspector whose registration has effect in relation to work of that description.
The registered building inspector who carries out the restricted activity, or advises on the exercise of the restricted function, may (but need not) be employed by the authority.
In this section—
"restricted activity" means an activity that is prescribed for the purposes of this section;
"restricted function" means a function of a building control authority under—that is prescribed for the purposes of this section.this Part,Part 3, orregulations made under this Part or Part 3,