D.C. Mun. Regs. tit. 6-B, § 2705
2705.1 Travel expenses of District or non-District government employees assigned to another government, private sector organization, or institution of higher education may be paid by the District government, with the exception of travel expenses related to the work assignment at the receiving agency or organization.
2705.2 Travel expenses for transportation of immediate family, household goods, and personal effects to and from the location of the receiving agency or organization may routinely be paid by the District government under either of the following conditions:
(a) For an assignment of more than nine (9) months; or
(b) When an assignment is terminated in less than nine (9) months for reasons beyond the control of the employee that are acceptable to the agency.
2705.3 A daily allowance may be paid to a District or a non-District government employee on assignments of less than nine (9) months.
2705.4 Travel expenses, relocation costs, and daily expenses may be shared by the participating governments, private sector organization, or institution of higher education or may be the sole responsibility of either party to the agreement.
SOURCE: Final Rulemaking published at 49 DCR 1272 (February 15, 2002); as amended by Final Rulemaking published at 49 DCR 4871 (May 24, 2002); as amended by Final Rulemaking published at 57 DCR 5745, 5751 (July 2, 2010).