(1)Polling sub-commissions shall operate in polling sub-districts specified in section 257/A (1) b). The head of the local election office shall designate, from among the elected members of the polling station commissions, the three or, for sub-commissions under paragraph (3), the required number of elected members of polling sub-commissions. The chair of the polling station commission shall act as the chair of the polling sub-commission, while a member elected by the elected members of the other sub-commissions from among themselves shall act as its deputy chair.

(2) The provisions of section 104 (3), Chapter X and section 189 shall apply to voting at a polling sub-district, with the proviso that the polling sub-commission shall exercise the powers of the polling station commission.

(3) The polling sub-commission the chair of which is the chair of the polling station commission shall authenticate mobile ballot boxes and carry out the tasks under section 184 and section 185 relating to voting by mobile ballot box.

(4)  The other tasks falling within the powers of the polling station commission shall be carried out by a polling station commission composed of the members of the polling sub-commissions.