29. 5. 91 Official Journal of the European Communities No L 134/51 COMMISSION DIRECTIVE of 30 April 1991 adapting to technical progress Council Directive 82/130/EEC on the approximation of the laws of the Member States concerning electrical equipment for use in potentially explosive atmospheres in mines susceptible t firedamp : (91/269/EEC) THE COMMISSION OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, Having regard to Council Directive 82/130/EEC of 15 February 1982 on the approximation of the laws of the Member States concerning electrical equipment for use in potentially explosive atmospheres in mines susceptible to firedamp (') as last amended by Directive 88/35/EEC (3), and in particular Article 7 thereof, Whereas in view of the present state of technical progress, it is now necessary to adapt the contents of the harmo- nized standards referred to in Annex A of Directive 82/130/EEC; ' Whereas in view of experience gained since Directive 82/130/EEC was adopted, it seems appropriate to amend Annex C thereto; Whereas in view of the nature of equipment mentioned above, it is necessary to provide for a transition period in order to allow for the industry to adapt to the amend- ments of standards ; Whereas the measures provided for in this Directive are in accordance with the opinion delivered by the Restricted Committee of the Safety and Health Commis- sion for the Mining and other Extractive industries, HAS ADOPTED THIS DIRECTIVE : Article 1 Directive 82/130/EEC is hereby amended as follows : 1. Annexes A and C are replaced by Annexes A and C in the Annex to this Directive. () OJ No L 59, 2. 3. 1982, p. 10. () OJ No L 20, 26. 1. 1988, p. 28. 2. Annex B is amended in accordance with Annex B in the Annex to this Directive. Article 2 1.  Member States shall bring into force the laws, regu- lations and administrative provisions necessary to comply with this Directive by 30 June 1992 and shall forthwith inform the Commission thereof. When Member States adopt these provisions, these shall contain a reference to this Directive or shall be accompa- nied by such reference at the time of their official publi- cation. The procedure for such reference shall be adopted by Member States. Member States shall communicate to the Commission the text of the national measures which they adopt pursuant to this Directive. 2.  However, until 31 December 2009, Member States shall continue to apply the measures provided for in Article 4 of Directive 82/130/EEC as regards the equip- ment for which conformity to the harmonized standards is attested by the certificate of conformity referred to in Article 8 of Directive 82/130/EEC, provided that this certificate was issued before 1 January 1993. Article 3 This Directive is addressed to the Member States. Done at Brussels, 30 April 1991. For the Commission Vasso PAPANDREOU Member of the Commission