5.2. When the emissions of contaminants from an establishment reported in accordance with section 4 or 5 fall below the reporting threshold the following year, the operator of the establishment must, not later than 1 June following the first year in which the emissions are below the threshold, send a notice to the Minister including the following information and documents:
(1) the information referred to in section 5.1;
(2) an attestation that the emissions of contaminants referred to in Schedule A are below the reporting threshold;
(3) the reason for the reduction in emissions of contaminants;
(4) the signature of the person responsible for the declaration at the establishment.