§  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) Tariff publications filed by a carrier may reference other tariff
   publications filed by that carrier or its affiliates.

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

   (d) 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.

   (e) 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.

   (f) 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;  84 FR 65016 ,
   Nov. 26, 2019]