This section applies in relation to work of a prescribed description ("the work") that is to be carried out in England and has a prescribed connection with any higher-risk building work.
Where—
the regulator and the person intending to carry out the work, acting jointly, give a notice under this section (a "regulator's notice") to the local authority for the area in which the work is to be carried out, and
the regulator's notice is accepted (or treated as accepted) by the local authority,
the regulator is the building control authority in relation to the work.
A regulator's notice may not be given if any of the following has been given to the local authority in relation to the work (or any part of it)—
an application for building control approval;
an initial notice (within the meaning of section 47);
a public body's notice (within the meaning of section 54).