21.—(1) The proper officer shall keep a register of all appeals and of the decisions made on them.
(2) The register—
(a)shall be kept at the principal office of the proper officer;
(b)shall be open to the inspection of any person without charge at all reasonable hours; and
(c)may be kept electronically.
(3) A document purporting to be certified by the proper officer to be a true copy of any entry in the register shall be evidence of the entry and of matters stated therein.