14 (3) provisions of the repealed Act on mass deliveries and sensitive samples continue to apply, in so far as referred to in other legislation, until 24 October 2001. Measures necessary for the implementation of this Act may be undertaken before its entry into force. Section 51 — Transitional provisions (1) Processing of personal data commenced before the entry into force of this Act shall be modified so as to comply with the provisions of this Act at the latest on 24 October 2001. (2) A reference elsewhere in law to the repealed Personal Data File Act or its provisions shall be deemed to be a reference to this Act or its corresponding provisions.