Contract with purchase orders: each order may give rise to a final payment.
Rule n ° 1:
In the framework of a public works contract, each order can be the object of a reception and a payment as soon as their realization. Therefore, unless otherwise specified in the specifications, each order may result in a final settlement.
Rule n ° 2:
The contracting party of the administration may ask to be compensated, on the basis of the contract, for additional work carried out without a service order, since this work was essential for the execution of the contract in the state of the art.