223. In addition to the elements provided for in section 41, a declaration of compliance for an activity referred to in this Division must include the following supplemental information and documents: (1) in the case of the activity referred to in section 221 whose work is referred to in subparagraph b of paragraph 5 of that section, an attestation from each municipality concerned including
(a) its contact information;
(b) the confirmation that a planning meeting the conditions set out in the planning provided for in subparagraph b of paragraph 5 of section 221 has been filed with the Minister and the date of the filing;
(1.1) in the case of the activity referred to in section 221, an attestation from the municipality operating the treatment plant serving the sewer system confirming that the discharge standards applicable to the plant are not likely to be exceeded despite the extension;
(2) in all cases, a declaration from an engineer attesting that the conditions applicable to the activity pursuant to this Subdivision are met, along with the conditions applicable by regulation, if any.