Sec.  61.74   References to other instruments.

   (a) Except as otherwise provided in this and other sections of this part, no
   tariff publication filed with the Commission may make reference to any other
   tariff publication or to any other document or instrument.

   (b) Tariffs for end-on-end through services may reference the tariffs of
   other carriers participating in the offering.

   (c) Tariffs may reference concurrences for the purpose of starting where
   rates or regulations applicable to a service not governed by the tariff may
   be found.

   (d) Tariffs may reference other FCC tariffs that are in effect and on file
   with the Commission for purposes of determining mileage, or specifying the
   operating centers at which a specific service is available.

   (e)  Tariffs  may  reference technical publications which describe the
   engineering,  specifications,  or other technical aspects of a service
   offering, provided the following conditions are satisfied:

   (1) The tariff must contain a general description of the service offering,
   including basic parameters and structural elements of the offering;

   (2)  The technical publication includes no rates, regulatory terms, or
   conditions  which  are required to be contained in the tariff, and any
   revisions to the technical publication do not affect rates, regulatory
   terms, or conditions included in the tariff, and do not change the basic
   nature of the offering;

   (3) The tariff indicates where the technical publication can be obtained;

   (4) The referenced technical publication is publicly available before the
   tariff is scheduled to take effect; and

   (5) The issuing carrier regularly revises its tariff to refer to the current
   edition of the referenced technical publication.

   [ 49 FR 40869 , Oct. 18, 1984, as amended at  61 FR 59366 , Nov. 22, 1996;  64 FR 46592 , Aug. 26, 1999;  66 FR 16881 , Mar. 28, 2001]