No person may use the services of, and no person may serve as, a person required to maintain a listening watch under section 5 of the Act, 33 U.S.C. 1204, unless the person can communicate in the English language. [CGD 90-020, 59 FR 36323, July 15, 1994, as amended by CGD 95-033, 60 FR 28329, May 31, 1995]