31. As soon as candidates have been declared elected, the secretary shall place in separate envelopes the valid ballot papers, the rejected ballot papers and the unused ballot papers, and all the envelopes, including those rejected in accordance with this Regulation.
He shall then seal the envelopes. The secretary and the scrutineers shall write their initials on the seals.
The envelopes shall be kept for one year, after which time the secretary may dispose of them.