D.C. Mun. Regs. tit. 5, r. 5-E1112
Employees in salary classes ET-3 through ET-15 shall be promoted to a higher educational group upon the completion of additional graduate credits beyond the bachelor's degree, in accordance with established policy.
Salary promotion shall be made retroactive to the twelfth (12th) month prior to the date of approval by the Division of Personnel, the effective date of the degree, or the date of completion of the additional credit hours, whichever is later.
Employees promoted under the provisions of this section shall be placed in the same service step of the higher groups as that held in the group from which promoted.
ET-15 employees in the position of vocational shop teacher may be promoted to a higher educational group upon submission to the Director of Personnel of acceptable evidence of equivalent training or experience in lieu of a master's degree.
D.C. Mun. Regs. tit. 5, r. 5-E1112