Holders of national licences for balloons issued by a Member State before the date of application of Annex III (Part-
BFCL) to this Regulation shall be allowed to continue to exercise the privileges of their licences until 8 April 2021. By that date, Member States shall convert those licences into Part-
BFCL licences and associated ratings, privileges and certificates in accordance with the elements laid down in a conversion report that complies with the requirements of Article 4(4) and (5) of Regulation
(EU) No 1178/2011.