438. The chief electoral officer shall keep the returns, declarations, invoices, receipts and other vouchers provided for in sections 433 and 436, for one year from their receipt. During that period, he shall allow any elector to examine the documents and make copies of them at the place designated by him for that purpose.
At the expiry of that period, the chief electoral officer shall deliver the invoices and vouchers to the leader of the party or to the candidates if they so request; if not, he may destroy them.