Member States shall bring into force the laws, regulations and administrative provisions necessary to comply wiht this Directive:

• F1. . . . .

• before 1 January 1994 for the requirements regarding porcine animals,

• F1. . . . .

• F2 F3for Finland, before 1 January 1996 as concerns the requirements for bovine animals, swine, sheepand goats. If necessary, the Commission shall adopt, during the transitional period, the appropriate measures in accordance with the procedure provided for in Article 18 of Council Directive 90/425/EEC.

They shall forthwith inform the Commission thereof.

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

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.

The setting of the deadline for transposition into national law at 1 January 1994 and 1 January 1995 shall be without prejudice to the abolition of veterinary checks at frontiers provided for in Directive 90/425/EEC.