(1) A tariff may provide that it will be reissued periodically at specified times, not more than nine months apart. Such tariff must bear on upper left-hand corner of title page the notation: This tariff will be reissued effective on or before������������� , 19���� .

(2) Supplements to such tariff may contain all amendments thereto without limit as to volume.

(3) Unless the date fixed for reissue of a particular tariff is strictly observed, future issues of that tariff may not be published under authority of this rule.