The Commission shall be empowered to adopt delegated acts in accordance with Article 284, in order to determine:
(a)
the conditions for granting the authorisation referred to in Article 166(2);
(b)
the specific time-limit referred to in the first subparagraph of Article 167(1) within which the supplementary declaration is to be lodged;
(c)
the specific time-limit referred to in the second subparagraph of Article 167(1) within which supporting documents are to be in the possession of the declarant;
(d)
the specific cases where the obligation to lodge a supplementary declaration is waived in accordance with point (b) of Article 167(2).