§  61.16   Base documents.

   (a) The Base Document is a complete tariff which incorporates all
   effective revisions, as of the last day of the preceding month. The
   Base Document should be submitted with a cover letter as specified in
   § 61.15(i) and identified as the Monthly Updated Base Document.

   (b) If there have been revisions that became effective up to and
   including the last day of the preceding month, a new Base Document must
   be submitted within the first five business days of the current month
   that will incorporate those revisions.

   [ 76 FR 43211 , July 20, 2011]