No. There are no requirements for general supervisory duties under the regulations. However, if a general supervisor, in addition to his/her general supervisory duties, also performs or directly supervises mammographic examinations or physics surveys, he/she must meet the appropriate requirements. 21 C.F.R. 900.12(a), (e)(9). (Note: the term "general supervisor," as used in this question, should not be confused with the other guidance referring to direct supervision).