Article 531. Execution of a State or municipal contract

1. In cases where, under the terms of a State or municipal contract, the goods are delivered directly to or by the public or municipal employer Other persons (the recipient) are subject to the rules governing the performance of a State or municipal contract, and the relationship between the parties is governed by articles 506 to 522. 2. Where the delivery of goods for public or municipal purposes is made by the consignee specified in the shipping order, the payment of the goods shall be made by the State. The employer or municipal employer, unless a State or municipal contract provides for a different calculation procedure.