23.—(1) The Authority may at any time revoke a sanction imposed in accordance with any of regulations 16(8) and 20 to 22 if it is satisfied that—
(a)there was an error involved in the original imposition of the sanction, or
(b)it is just and equitable in the particular circumstances of the case to do so.
(2) Within 14 days of a decision to revoke a sanction, the Authority must send a notice to the installer specifying—
(a)the sanction which has been revoked, and
(b)the reason for the revocation.
(3) Where a sanction is revoked, the Authority must, where applicable, update the register maintained under regulation 28.