Section 404.1021 - Work for the District of ColumbiaIf 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-
(a) Your work is covered by a retirement system established by a law of the United States; or(b) You are- (1) A patient or inmate of a hospital or penal institution and your work is for that hospital or institution;(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;(3) An employee serving temporarily in case of fire, storm, snow, earthquake, flood, or other similar emergency; or(4) A member of a board, committee, or council of the District of Columbia paid on a per diem, meeting, or other fee basis.(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