Consignments of products of animal origin, composite products, sprouts intended for human consumption and seeds intended for the production of sprouts for human consumption accompanied by the appropriate certificate issued in accordance with Commission Regulation (EU) No 28/2012 and Implementing Regulation (EU) 2019/628, before the date of application of this Regulation, shall be accepted for the entry into the Union until 20 October 2021 provided that the certificate was signed by the person authorised to sign the certificate in accordance with those Regulations before 21 August 2021.