§  76.606   Closed captioning.

   (a) 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) 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 § 79.101 of this chapter.

   [ 83 FR 7629 , Feb. 22, 2018]