++++ Free movement of goods - Quantitative restrictions - Measures having equivalent effect - Requirement to make a prior declaration for the purpose of ensuring that a veterinarian is involved in the completion of the administrative formalities upon the importation of fresh poultrymeat - Requirement going beyond administrative formalities for crossing frontiers - Not permissible ( EEC Treaty, Art . 30; Council Directives 71/118 and 83/643 )