D.C. Mun. Regs. tit. 8-B, § 1221
1221.1 Upon recommendation of the President or appropriate vice president, the University's Division of Material and Inventory Management shall negotiate professional fees, honoraria, and other payments to non-employees who are invited to perform services for the University.
1221.2 Per diem and travel allowances shall be considered separately and shall be in addition to honoraria payments.