(1) (a) The presiding officer shall at the close of the poll, prepare the ballot paper account in Form 17.
(b) The presiding officer shall place the ballot paper account in a separate envelope and endorse on it the words "ballot paper account".
(2) Where any ballot papers are given to him for use by election duty staff at this polling station who are voters of a different ward the presiding officer shall at the close of the poll, also prepare a ballot paper account in Form 18. He shall place this ballot paper account in a separate envelope and endorse on it the words "ballot paper account for staff on election duty". He shall transmit this envelope to the returning officer :
Provided that he shall prepare separate accounts of ballot papers wardwise.