With respect to the requirements on verifiers, EN ISO 14065:2013 concerning requirements for greenhouse gas validation and verification bodies for use in accreditation or other forms of recognition, shall apply. In addition, the following procedures, processes and arrangements referred to in Article 41(1), shall apply:

(a) a process and policy for communication with the operator or aircraft operator and other relevant parties;

(b) adequate arrangements to safeguard the confidentiality of information obtained;

(c) a process for dealing with appeals;

(d) a process for dealing with complaints (including indicative timescale);

(e) a process for issuing a revised verification report where an error in the verification report or operator's or aircraft operator's report has been identified after the verifier has submitted the verification report to the operator or aircraft operator for onwards submission to the competent authority;

(f) a procedure or process for outsourcing verification activities to other organisations.