20.— (1) The continuance of the designation of An Post under subsection(2)(a)(i) or (5) of section 17 or, as the case may be, the designation of a universal postal service provider under subsection (2)(a)(ii) of that section, or the designation of a universal postal service provider under section 18, shall be in writing, and the Commission shall—

(a) publish notice of the such continuance or designation in Iris Oifigiúil and in such other manner as it considers appropriate, and

(b) notify in writing—

(i) the European Commission of such continuance or the identity of any universal postal service provider so designated, and

(ii) the Minister of the identity of any universal postal service provider so designated.

(2) Where the Commission makes a decision under section 17(2)(b) or subsection (1)(b)(ii) or (2)(i) of section 18, as the case may be, that no designation is required, it shall—

(a) publish notice of such a decision in Iris Oifigiúil and in such other manner as it considers appropriate, and

(b) notify in writing the Minister and the European Commission.