(1) If a situation occurs preventing the beginning, the continuation, or the closing of the act of voting, the electoral authority can prolong the act of voting or adjourn it to the following day.
(2) Any prolongation or adjournment shall be immediately announced in the usual local manner.
(3) If casting the ballot had already commenced, the electoral files and the ballot box with the voting envelopes and ballots contained therein shall be sealed and properly safeguarded by the electoral authority till the continuation of the act of voting.