12. The Authority shall keep available at its principal office and at each of its principal regional offices, at all reasonable times, for inspection by the public free of charge—
(a)the maps referred to in the definition of “estuary” in regulation 2(1);
(b)the maps showing sensitive areas and high natural dispersion areas deposited with the Authority for the purposes of regulation 3;
(c)particulars of certificates issued under regulation 4(3), 5(3) and 5(5)(b).