[Code of Federal Regulations]
[Title 47, Volume 4, Parts 70 to 79]
[Revised as of October 1, 1997]
From the U.S. Government Printing Office via GPO Access
(a) As of June 30, 1992, the operator of each cable television system shall not take any action to remove or alter closed captioning data contained on line 21 of the vertical blanking interval.
(b) As of July 1, 1993, the operator of each cable television system shall deliver intact closed captioning data contained on line 21 of the vertical blanking interval, as it arrives at the headend or from another origination source, to subscriber terminals and (when so delivered to the cable system) in a format that can be recovered and displayed by decoders meeting Sec. 15.119 of this chapter.
[57 FR 11003, Apr. 1, 1992]