Member States shall bring into force the laws, regulations and administrative provisions necessary to comply with this Directive before 1 August 2003. They shall forthwith inform the Commission thereof.

The measures shall be applied so as to:

• authorise the marketing of the products defined in Annex I if they conform to the definitions and rules laid down in this Directive, with effect from 1 August 2003;

• prohibit the marketing of products which fail to conform to this Directive, with effect from 1 August 2004.

However, the marketing of products which fail to conform to this Directive and labelled before 1 August 2004 in accordance with Directive 74/409/EEC shall be permitted until stocks run out.

When Member States adopt these measures, these shall contain a reference to this Directive or shall be accompanied by such reference on the occasion of their official publication. The methods of making such reference shall be laid down by Member States.