Article 4
1. Member States shall in particular abolish the following restrictions: (a) those which prevent beneficiaries from establishing themselves or providing services in the host Member States under the same conditions and with the same rights as their nationals; (b) those existing by reason of administrative practices which result in treatment being applied to beneficiaries that is discriminatory by comparison with that applied to nationals. 2. The restrictions to be abolished shall include in particular those arising out of provisions which prevent or limit establishment of beneficiaries or provision of services by the latter by the following means: (a) in Belgium: the obligation to hold a carte professionnelle (Article 1, Law of 19 February 1965); (b) in France: - the obligation to hold a carte d'identité d'étranger commerçant (Décret-loi of 12 November 1938, Décret of 2 February 1939, Law of 8 October 1940, Law of 10 April 1954, Décret No 59-852 of 9 July 1959); - exclusion from the right to renew commercial leases (Article 38 of Décret of 30 September 1953); (c) in Luxembourg: the limited period of validity of authorizations granted to foreign nationals (Article 21 of the Law of 2 June 1962).