1. A verifier shall establish, document, implement and maintain one or more procedures for verification activities as provided for in Chapters IIIa, and the procedures and processes required by Annex II to this Regulation. When establishing and implementing these procedures and processes the verifier shall carry out the activities listed in Annex II to this Regulation in accordance with the harmonised standard referred to in that Annex.

2. Articles 41(2) and 42(1) of this Regulation shall apply to the verification of regulated entity's emissions covered by Chapter IVa of Directive 2003/87/EC.

3. A verifier shall on a regular basis make information available to the regulated entity and other relevant parties in accordance with the harmonised standard referred to in Annex II to this Regulation.