Sec.  64.1508   Blocking access to 900 service.

   (a)  Local  exchange  carriers  must offer to their subscribers, where
   technically feasible, an option to block access to services offered on the
   900  service access code. Blocking is to be offered at no charge, on a
   one-time basis, to:

   (1)  All telephone subscribers during the period from November 1, 1993
   through December 31, 1993; and

   (2) Any subscriber who subscribes to a new telephone number for a period of
   60 days after the new number is effective.

   (b) For blocking requests not within the one-time option or outside the time
   frames  specified in paragraph (a) of this section, and for unblocking
   requests, local exchange carriers may charge a reasonable one-time fee.
   Requests by subscribers to remove 900 services blocking must be in writing.

   (c) The terms and conditions under which subscribers may obtain 900 services
   blocking are to be included in tariffs filed with this Commission.