13.—(1) Subject to the provisions of the Council Regulation and the Commission Regulation, the 1994 Regulations remain in force in relation to beneficiaries receiving payment under those Regulations on the date that these Regulations come into force.
(2) The 1999 Regulations are revoked and replaced by the corresponding provisions in these Regulations save that the option of transferring from the scheme of the 1994 Regulations shall cease.
(3) The provisions of these Regulations apply to beneficiaries receiving payment under the 1999 Regulations on the date that these Regulations come into force in place of the corresponding provisions in the 1999 Regulations.
(4) Undertakings given (or deemed to have been given) under the 1999 Regulations apply as if given under these Regulation, but with effect from the date they were originally given.