When a contract is concluded, the subject of which is an obligation of a minimum amount with a view to the performance of work, the supply of services or the carrying out of a commercial act, and periodically until the end of the performance of the contract, any person shall check that his co-contractor is complying with:
1° the formalities referred to in articles L. 8221-3 and L. 8221-5;
2° only one of the formalities mentioned in 1°, in the case of a contract concluded by a private individual for his personal use, that of his spouse, partner in a civil solidarity pact, cohabitee, ascendants or descendants.
The procedures for carrying out the checks required by this article shall be specified by decree.