5 C.F.R. § 731.202
(b) Specific factors. Only OPM may take a suitability action considering the factors in paragraph (b)(3) or (7) of this section. Agencies may use the factor in paragraph (b)(8) of this section in applicant and appointee suitability cases but not employee cases; however, OPM may use this factor in employee cases. When making a suitability determination, OPM or an agency will consider only the following factors to determine if one is suitable. When making fitness determinations, an agency must consider these factors as a minimum standard, but it may prescribe additional factors to protect the integrity and promote the efficiency of the service, when job-related and consistent with business necessity.
(c) Additional considerations. OPM and an agency must consider any of the following additional considerations to the extent OPM or the relevant agency, in its sole discretion, deems any of them pertinent to the individual case: