47 U.S.C. § 611 : US Code - Section 611: Closed-captioning of public service announcements

Search 47 U.S.C. § 611 : US Code - Section 611: Closed-captioning of public service announcements

Any television public service announcement that is produced or
funded in whole or in part by any agency or instrumentality of
Federal Government shall include closed captioning of the verbal
content of such announcement. A television broadcast station
licensee -
(1) shall not be required to supply closed captioning for any
such announcement that fails to include it; and
(2) shall not be liable for broadcasting any such announcement
without transmitting a closed caption unless the licensee
intentionally fails to transmit the closed caption that was
included with the announcement.