If it appears to the District Director that there is a reasonable basis for the complaint, and that no offer of settlement satisfactory to the complainant has been made, he shall refer the matter to the Chief Administrative Law Judge, U.S. Department of Labor, for the issuance of a notice of hearing as set forth in Sec. 458.69. [45 FR 15158, Mar. 7, 1980. Redesignated at 50 FR 31311, Aug. 1, 1985, as amended at 59 FR 15117, Mar. 31, 1994; 62 FR 6094, Feb. 10, 1997]