After approval of the research project, and within two months of being chosen to undertake the evaluation, the contractor sends a draft contract to the developer.

This defines the time limits for the realization of the evaluation and the report, the conditions and date of the availability of the site, and if necessary, the conditions for restitution of the site. In addition, a list of the equipment and resources to be contributed by the developer, and if necessary, the financial contribution of the contractor are mentioned. The penalties due by the contractor or developer if the agreed calendar is not respected by one party or the other are indicated.

If the developer and contractor do not reach an agreement, the Regional Archaeology Service called upon by the most diligent party, will define these conditions within fifteen days of the date of notification.

The contract is signed by the two parties.

A copy of the contract is sent to the Regional Archaeology Service.