6. A contractor referred to in the first paragraph of section 2 to whom a construction contract was awarded by a municipal body must, before the beginning of the work, send the body a list indicating for each subcontract referred to in the second paragraph of section 2:
(1) the name and address of the subcontractor;
(2) the amount and date of the contract; and
(3) the number and date of issue of the attestation from Revenu Québec held by the subcontractor.
A contractor that, after the beginning of the work, enters into a contract with a subcontractor in connection with the performance of a contract referred to in the first paragraph must so inform the municipal body by filing with it an amended list before the beginning of the work entrusted to that subcontractor.