Each licensee shall notify the appropriate Regional Administrator as listed in appendix D to part 20 of this chapter within 30 days of the following in regard to a licensed operator or senior operator:
(a) Permanent reassignment from the position for which the licensee has certified the need for a licensed operator or senior operator under Sec. 55.31(a)(3) of this chapter;
(b) Termination of any operator or senior operator;
(c) Permanent disability or illness as described in Sec. 55.25 of this chapter. [52 FR 9469, Mar. 25, 1987, as amended at 60 FR 13616, Mar. 14, 1995; 68 FR 58809, Oct. 10, 2003]