Regulation (EU) 2020/357

1. The operator shall notify the competent authority without delay of any changes in circumstances affecting its compliance with the essential requirements set out in Annex V to Regulation (EU) 2018/1139 and with the requirements of this Regulation, as declared to the competent authority, and of any changes in respect of the information referred to in point BOP.ADD.100(b) and the list of AltMoCs referred to in point BOP.ADD.100(c), as included in or annexed to the declaration.
2. The operator shall notify the competent authority without delay when it is no longer engaged in commercial operations with balloons.

ED Decision 2018/004/R

The new declaration should be submitted before the change becomes effective, indicating the date as of which the change would apply.

BOP.ADD.110 Airworthiness requirements