District of Columbia Code Division VI. Education, Libraries, and Cultural Institutions. § 38-2001.05. Annuity allowance.

(1) An annuity equal to 1% of his average annual salary received during the 10 years immediately preceding retirement for each year of his whole term of service after June 30, 1926;

(2) A sum equal to 1% of his average annual salary received during the 10 years immediately preceding retirement for each year of his whole term of service prior to July 1, 1926, but not to exceed 40 years; and

(3) An additional sum of $15 for each year of said service, but in neither case to exceed 40 years, such annuity to be fixed at the nearest multiple of 12 cents and to be payable monthly and to cease and determine at his death.