20.7.2000 Official Journal of the European Communities L 181/39 COMMISSION REGULATION (EC) No 1578/2000 of 19 July 2000 implementing Council Regulation (EC) No 577/98 on the organisation of a labour force sample survey in the Community concerning the specification of the 2001 ad hoc module on length and patterns of working time THE COMMISSION OF THE EUROPEAN COMMUNITIES, (3)  The measures provided for in this Regulation are in Having regard to the Treaty establishing the European Community, Having regard to Council Regulation (EC) No 577/98 (') of 9 March 1998, on a labour force sample survey in the Community, as last amended by Commission Regulation (EC) No 1575/2000 () and in particular Article 4(2), thereof, Whereas: (1)  In accordance with Article 4(2) of Regulation (EC) No 57798 the detailed list of information to be collected in an ad hoc module shall be drawn at least 12 months before the beginning of the reference period for that module. (2) In order to monitor the Employment Guidelines, the Commission needs structural statistics on flexible working time arrangements and types of employment contract. accordance with the opinion of the Statistical Programme Committee established by Council Decision 89/382/EEC, Euratom (%), HAS ADOPTED THIS REGULATION: Article 1 The detailed list of information to be collected in the year 2001 ad hoc module is laid down in the Annex to the present Regulation. Article 2 This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Communities. This Regulation shall be binding in its entirety and directly applicable in all Member States. Done at Brussels, 19 July 2000. () O] L 77, 14.3.1998, p. 3. (%) See page 16 of this Official Journal. For the Commission Pedro SOLBES MIRA Member of the Commission () O L 181, 28.6.1989, p. 47.