Article 13

The Member States shall take the measures necessary to comply with this Directive. They shall forthwith inform the Commission thereof. The measures taken shall:

• permit no later than 18 months after notification^f1 of the Directive, trade in products which comply with this Directive,

• prohibit no later than 24 months after notification of the Directive, trade in products which do not comply with this Directive.

As regards retail display cabinets, for a period of eight years following notification of this Directive, Member States may retain the laws applying on the date when this Directive enters into force.

In this case, the Member States shall inform the Commission, stating the reasons for their decision.