This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union .

This Regulation shall be binding in its entirety and directly applicable in all Member States.

Done at Brussels, 28 September 2015.

For the Commission

The President

Jean-Claude JUNCKER

( 1 ) OJ L 167, 27.6.2012, p. 1 .

( 2 ) Directive 98/8/EC of the European Parliament and of the Council of 16 February 1998 concerning the placing of biocidal products on the market ( OJ L 123, 24.4.1998, p. 1 ).

( 3 ) Regulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006 concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), establishing a European Chemicals Agency, amending Directive 1999/45/EC and repealing Council Regulation (EEC) No 793/93 and Commission Regulation (EC) No 1488/94 as well as Council Directive 76/769/EEC and Commission Directives 91/155/EEC, 93/67/EEC, 93/105/EC and 2000/21/EC ( OJ L 396, 30.12.2006, p. 1 ).

COMMISSION IMPLEMENTING REGULATION (EU) 2015/1731 of 28 September 2015 approving medetomidine as an active substance for use in biocidal products for product-type 21 ANNEX