(1) With respect to petitions which are filed with the Board of Elections in the City of New York, or petitions which are filed with other boards of elections containing candidates for more than one public or party office which are not coterminous, each volume of each petition shall bear an identification number, to be obtained in accordance with section 6215.3, infra. The assigned identification number shall be inscribed on the front of the volume. If an identification number has not been inscribed by the person or persons filing the petition, and the petition consists of multiple volumes, then each volume of the petition shall be separately numbered on the front thereof. Only one identification number may be used to identify a petition volume.

(2) Any Board of Elections outside the City of New York may adopt a petition filing system for all petitions utilizing identification numbers as provided for in section 6215.3 of this Part. The board may adopt such system through the approval of a rule at least two months prior to the first day to circulate petitions. The rule shall be filed at the county Board of Elections and the State Board of Elections.

(3) With respect to all other petitions which contain 10 or more sheets, each volume of the petition shall have a cover sheet secured to the front of such volume.