In this section, “uniformed services” has the meaning stated in 38 U.S.C. § 4303 and 20 C.F.R. § 1002.5(o). The Secretary may provide by regulation for leave with pay: for jury service; to attend employee organization events approved for this purpose by the Secretary; up to 30 days for uniformed services training or active uniformed services duty in a reserve component or in the organized militia; unless the employee is a party to the action or a paid witness, to appear in compliance with a subpoena: in court; before a grand jury; before an administrative unit; or for a deposition; for administrative leave for the purpose of immediately removing an employee from the work site, if the employee: poses a threat to self, another individual, or State property; or is incapable of properly performing the employee’s duties because of extraordinary circumstances; and any other paid leave the Secretary deems necessary.