15. 6. 1999 EN Official Journal of the European Communities L 148/39 II (Acts whose publication is not obligatory) COMMISSION COMMISSION DECISION of 31 May 1999 concerning the questionnaire relating to Council Directive 96/61/EC concerning integrated pollution prevention and control (IPPC) (implementation of Council Directive 91/692/EEC) (notified under document number C(1999) 1395) (Text with EEA relevance) (1999/391/EC) THE COMMISSION OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Community, Having regard to Council Directive 96/61/EC of 24 September 1996 concerning integrated pollution prevention and control (1), and in particular Article 16(3) thereof, Having regard to Council Directive 91/692/EEC of 23 December 1991 on standardising and rationalising reports on the implementation of certain Directives relating to the environment (2), (1) Whereas Article 16(3) of Directive 96/61/EC requires that reports on the implementation of the Directive and ...