Council Directive 69/82/EEC of 13 March 1969 concerning the attainment of freedom of establishment and freedom to provide services in respect of activities of self- employed persons engaging in exploration (prospecting and drilling) for petroleum and natural gas (ISIC ex Major Group 13)

Modified by

Council Decision of the European Communities of 1 January 1973 adjusting the documents concerning the accession of the new Member States to the European Communities