60 STAT.] 79TH CONG. , 2D SESS.-CH. 779-AUG. 7, 1946 position as teacher in the public schools of the District of Columbia, shall be deemed to consent and agree to the deductions made and pro- vided for herein; and the salary, pay, or compensation, which may be paid monthly or at any other time, shall be full and complete discharge and acquitance of all claims and demands whatsoever for all services rendered by such teacher during the period covered by such pay- ment, except his claim for the benefits to which he may be entitled under the provisions of this Act, notwithstanding the provisions of the Act of June 20, 1906 (34 Stat. 316), and of any other law, rule, or regulation affecting the salary, pay, or compensation of the teachers employed in the service of the public schools of the District of Columbia. SEC. 12. That nothing in this Act shall be construed to prevent the discharge of any teacher at any time in the discretion of the Board of Education of the District of Columbia under the provisions of law. SEC. 13. That the term "teacher", under this Act, shall include all teachers permanently employed by the Board of Education in the public day schools of the District of Columbia, including other edu- cational employees whose salaries are established in the District of Columbia Teachers' Salary Act of 1945, as amended, except the employees of the Department of School Attendance and Work Per- mits; whenever the pronoun "his" occurs in this Act it shall be con- strued to mean both male and female; and the term "annual salary" shall be construed to mean the total annual income received during the fiscal year for service rendered in the public day schools (not including summer schools) of the District of Columbia, including basic salary automatic increases, and longevity allowances, provided for in the District of Columbia Teachers' Salary Act of 1945, as amended, and all wartime additional compensation or bonus, and this definition of "annual salary" shall not be construed to affect any deductions which have been made prior to the effective date of this Act from any teacher's "annual salary" as defined in the Act of January 15, 1920, as amended. SEC. 14 . That the Commissioners of the District of Columbia shall prepare and keep all needful tables, records, and accounts required for carrying out the provisions of this Act. The records to be kept shall include data showing the mortality experience of the teachers in the service of the public schools of the District of Columbia and the rate of withdrawal from such service, and any other information pertain- ing to such service that may be of value and may serve as a guide for future valuations and adjustments of the plan for the retirement of teachers. The Commissioners of the District of Columbia shall make a detailed comparative report annually to Congress showing all receipts and disbursements under the provisions of this Act, together with the total number of persons receiving annuities and the amounts paid them. And the Treasury Department shall prepare the estimates of the annual appropriations required to be made to the teachers' retirement and annuity fund, and shall make actuarial valuations of such fund at intervals of five years, or oftener if deemed necessary by the Secre- tary of the Treasury. SEC. 15. That the Commissioners of the District of Columbia shall include in their annual estimates of appropriations a sum sufficient to carry out the provisions of this Act and Acts amendatory thereof. Appropriations made for the purposes of this Act shall be transferred to the credit of the teachers' retirement and annuity fund established under section 2 hereof. SEC. 16. That the Commissioners of the District of Columbia are hereby authorized to perform, or cause to be performed, any or all acts and to make such rules and regulations as may be necessary and 80634°-47-PT. -- 56 881 D. a. Code if 31- 101 dt eq., 31-601 et seq., 31-1101 t seq; Supp. V, § 31-109 et seq. Discharge of teacher. "Teacher." 59 Stat. 488. D. C. Code, Supp. V, §§ 31-638 to 31-68. Ante, p. 717. "His." "Annual salary. " Supra. 41 Stat. 387. D. C. Code f§31- 701 to 31-710, 31 -712 to 31-720 . Records, etc. Report to Congress. Appropriation esti- mates. Transfer of appro- priations. Ante, p. 876. Rules and regula- tions.