22.—(1) Where the registration officer grants an application under article 20 above he or she shall, where practicable, notify the applicant of his or her decision.
(2) Where the registration officer disallows an application under article 20 above, he or she shall notify the applicant of his or her decision and of the reason for his or her decision, and he or she shall date such notification.
(3) Where under article 21 above the registration officer disregards an application for the purposes of any particular election, he or she shall, where practicable, notify the applicant of this.