1. Member States shall bring into force the measures necessary to comply with this Directive not later than 30 June 1983. They shall forthwith inform the Commission thereof.
2. Member States may postpone application of the measures referred to in paragraph 1 until 36 months from the date on which they bring such measures into force.
3. As from the notification of this Directive, Member States shall communicate to the Commission the main provisions of the laws, regulations and administrative provisions which they adopt in the field governed by this Directive.