1. Branches which have commenced their activities, in accordance with the provisions in force in their host Member States, before the entry into force of the provisions adopted in implementation of this Directive shall be presumed to have been subject to the procedure laid down in Article 19(1) to (5). They shall be governed, from the date of that entry into force, by Articles 15, 18, 19(6) and 21. They shall benefit pursuant to Article 6(3).
2. Article 20 shall not affect rights acquired by credit institutions providing services before the entry into force of the provisions adopted in implementation of this Directive.