If you work as an employee of the District of Columbia or a wholly owned instrumentality of the District of Columbia, your work is covered as employment unless—
(2) A student employee (a student nurse, dietitian, or physical or occupational therapist, but not a medical or dental intern or resident in training) of a District of Columbia hospital, clinic, or medical or dental laboratory;
(c) Medicare qualified government employment. If your work is not covered under Social Security, it may be covered as Medicare qualified government employment (see § 404.1018b(c) of this subpart).
[45 FR 20075, Mar. 27, 1980, as amended at 57 FR 59914, Dec. 17, 1992]