1. The Member States shall bring into force the laws, regulations and administrative provisions necessary for them to comply with this Directive by 31 December 1990. They shall forthwith inform the Commission thereof.
2. A Member State may provide that the provisions referred to in paragraph 1 shall first apply to annual accounts and consolidated accounts for financial years beginning on 1 January 1993 or during the calendar year 1993.
3. The Member States shall communicate to the Commission the texts of the main provisions of national law which they adopt in the field governed by this Directive.