Sec.  64.2313   Timely basis.

   (a)  For  purposes  of  Sec. 64.2309, a telecommunications carrier provides
   subscriber list information on a timely basis only if the carrier provides
   the requested information to the requesting directory publisher either:

   (1) At the time at which, or according to the schedule under which, the
   directory  publisher  requests that the subscriber list information be
   provided;

   (2) When the carrier does not receive at least thirty days advance notice of
   the time the directory publisher requests that subscriber list information
   be provided, on the first business day that is at least thirty days from
   date the carrier receives that request; or

   (3) At a time determined in accordance with paragraph (b) of this section.

   (b) If a carrier's internal systems do not permit the carrier to provide
   subscriber list information within either of the time frames specified in
   paragraph (a)(1) of this section, the carrier shall:

   (1) Within thirty days of receiving the publisher's request, inform the
   directory publisher that the requested schedule cannot be accommodated and
   tell the directory publisher which schedules can be accommodated; and

   (2) Adhere to the schedule the directory publisher chooses from among the
   available schedules.