Where the national accreditation body has received a complaint concerning the verifier from the competent authority, the operator, aircraft operator, regulated entity or other interested parties, the national accreditation body shall, within a reasonable time but no later than three months from the date of its receipt:

(a) decide on the validity of the complaint;

(b) ensure that the verifier concerned is given the opportunity to submit its observations;

(c) take appropriate actions to address the complaint;

(d) record the complaint and action taken; and

(e) respond to the complainant.