D.C. Mun. Regs. tit. 8-B, § 1136
1136.1 The order of priority and preference set forth in the section shall be applied within affected work units when it becomes necessary to effect a reduction-in-force ("RIF").
1136.2 For purposes of a RIF, the following groups shall be treated as separate work units:
1136.3 Non-grant-funded employees shall include, but are not necessarily limited to, individuals who are paid from appropriated or indirect cost funds.
1136.4 Grant-funded employees shall include persons who are paid with funds made available to the University pursuant to a specific contract or other written agreement which is usually designed to carry out a particular purpose.
1136.5 Positions to be reduced in force shall be identified by title and grade/level (excluding consideration of the individual's step in the grade/level) within each work unit.
1136.6 Only those grant-funded employees who have been designated as permanent employees pursuant to office personnel actions shall be considered permanent employees. However, all appointments of these employees shall be subject to the duration of the specific grant under which they have been hired.