Member States which, at 1 January 1993, regarded work under contract as the supply of goods may apply to the delivery of work under contract the rate applicable to the goods obtained after execution of the work under contract.
For the purposes of applying the first paragraph, 'delivery of work under contract' shall mean the handing over by a contractor to his customer of movable property made or assembled by the contractor from materials or objects entrusted to him by the customer for that purpose, whether or not the contractor has provided any part of the materials used.