Sec.  61.59   Effective period required before changes.

   (a) Except as provided in  Sec. 61.58(a)(3) or except as otherwise authorized by
   the Commission, new rates or regulations must be effective for at least 30
   days before a dominant carrier will be permitted to make any change.

   (b) Changes to rates and regulations that have not yet become effective,
   i.e.  ,  are pending, may not be made unless the effective date of the
   proposed changes is at least 30 days after the scheduled effective date of
   the pending revisions.

   (c) Changes to rates and regulations that have taken effect but have not
   been in effect for at least 30 days may not be made unless the scheduled
   effective  date  of the proposed changes is at least 30 days after the
   effective date of the existing regulations.

   [ 64 FR 46592 , Aug. 26, 1999]

Subpart F—Specific Rules for Tariff Publications of Dominant and Nondominant
Carriers