25 U.S.C. § 59 : US Code - Section 59: Transfer of funds for payment of employees; details for other service

Search 25 U.S.C. § 59 : US Code - Section 59: Transfer of funds for payment of employees; details for other service

When not required for the purpose for which appropriated, the
funds provided for the pay of specified employees at any Indian
agency may be used by the Secretary of the Interior for the pay of
other employees at such agency, but no deficiency shall be thereby
created; and, when necessary, specified employees may be detailed
for other service when not required for the duty for which they
were engaged.