A person shall submit an application for registration to the Service at least 30 calendar days before regularly engaging in foreign commerce grain business according to Sec. 800.31. For good cause shown, the Service may waive this 30-day requirement. (Approved by the Office of Management and Budget under control number 0580-0012) [48 FR 44453 and 44455, Sept. 29, 1983, as amended at 54 FR 5924, Feb. 7, 1989]