Article 91
1. Public contracts are contracts for pecuniary interest concluded in writing between one or more economic operators and one or more contracting authorities within the meaning of Article 92 in order to obtain, against payment of a price paid in whole or in part from EDF resources, the supply of movable or immovable assets, the execution of works or the provision of services. Those contracts comprise: (a) supply contracts; (b) works contracts; (c) service contracts. 2. Framework contracts are contracts concluded between one or more contracting authorities and one or more economic operators, the purpose of which is to establish the terms governing contracts to be awarded during a given period, in particular with regard to price and, where appropriate, the quantity envisaged. They shall be governed by the provisions of this Title concerning the award procedure, including advertising.