Despite anything to the contrary in this Division—
(a) an election official must disallow a ballot‑paper within a declaration envelope that is not signed without removing the declaration flap or opening the declaration envelope; and
(b) an election official must disallow the ballot‑paper within a declaration envelope that is returned without its declaration flap without opening the declaration envelope; and
(c) if the election manager is satisfied that a declaration envelope is not signed in accordance with regulation 57(1)(c) , the election manager may disallow the ballot‑paper within the declaration envelope and must neither remove the declaration flap nor open the declaration envelope.