A contract is concluded when a contract has fulfilled all the conditions of a contract and all administrative measures have been completed, all disputes have been settled and final payment has been made. This includes administrative acts that are contractually required; that is, ownership, security, patents and royalties. Below you will find the checklist of administrative measures necessary to conclude a contract that has fulfilled all its conditions. The procedures for entering into the contract can be found in the Federal Procurement Regulations (FAR) 4.804-5. Standard closing periods are in FAR 4.804. . .