(1) The polling supervisors may decide that in addition to the persons in charge of the voting procedure only vo ters who are about to vote may be allowed inside the polling station. The polling supervisors may also limit the number of persons present in the interest of public order. Polling supervis ors shall ensure that voters are not subjected to electioneering in the vo ting premises or elsewhere in the immediate vicinity. Persons present shall in all respects comply with the instructions of the polling supervisors.