PUBLIC LAWS-CHS. 286, 287-JUNE 30, 1949 Government of the United States or who is a member of an organi- zation of Government employees that asserts the right to strike against the Government of the United States, or who advocates, or who is a member of an organization that advocates, the overthrow of the Gov- ernment of the United States by force or violence and accepts employ- ment the salary or wages for which are paid from any appropria- tion or fund contained in this Act shall be guilty of a felony and, upon conviction, shall be fined not more than $1,000 or imprisoned for not more than one year, or both: Providedfurther, That the above penalty clause shall be in addition to, and not in substitution for, any other provisions of existing law. Short title. SEC. 402. This Act may be cited as the "Treasury and Post Office Departments Appropriation Act, 1950". Approved June 30, 1949. [CHAPTER 287] June 30,1949 AN ACT [H. R. 30N8] To increase the compensation of certain employees of the municipal government [Public Law 1511 of the District of Columbia, and for other purposes. Be it enacted by the Senate and House of Representatives of the Compensation in- United States of America in Congress assembled, That the annual creases for certain D.. employees. basic salary of each officer and member of the Metropolitan Police, oiacen and fire- the United States Park Police, the White House Police, and of the Post, p. 951. Fire Department of the District of Columbia, as increased by the Act entitled "An Act to provide for an adjustment of salaries of the Metropolitan Police, the United States Park Police, the White House Police, and the members of the Fire Department of the District of 59Stat. 470. Columbia" approved July 14, 1945, as amended, shall be further vII, §54-803 to 4-805. increased by $330, plus 8 per centum of such $330 as additional com- Limitation. pensation in lieu of overtime pay and night pay differential: Provided, however, That no such officer or member shall, by reason of the enact- ment of this Act, be paid with respect to any pay period, basic salary, or basic salary plus additional compensation, at a rate in excess of Effective date. $10,330 per annum. This section shall take effect as of the first day of the first pay period which began after June 30, 1948. SEC. 2 . The first section of the Act entitled "An Act to fix the sal- aries of officers and members of the Metropolitau Police Force and the Fire Department of the District of Columbia", approved July 1 1930 4.Stat. 839. (D. C . Code, title 4, section 108), is amended by inserting after the D). C. Code, Stpp. vII, 4-108. phrase "sergeants, $2,750 each;" the following: "corporals, $2,600 Effective ate. each". This section shall take effect as of July 1, 1945. Board of Education SEC. 3 . (a) Each employee of the Board of Education of the Dis- trict of Columbia whose salary is fixed and regulated by the District oStat. 248 . of Columbia Teachers' Salary Act of 1947, except the Superintendent of schools, shall receive, in addition to the compensation already pro- vided by such Act, compensation at the rate of $330 per annum. (b) The basic and maximum salaries for all salary classes in title I 61 Stat. 248 . of the District of Columbia Teachers' Salary Act of 1947, except class 29, are hereby increased $330, respectively. Effective date. (C) This section shall take effect as of the first day of the first pay period which began after June 30. 1948. additional compen- SEC. 4 . Authority is hereby granted to the Commissioners and to other wage-fixing authorities of the municipal government of the District of Columbia, in their discretion, to grant, retroactive to the first day of the first pay period which began after June 30, 1948, addi- tional compensation at rates not to exceed $330 per annum to each employee in or under the municipal government of the District of Columbia whose compensation is fixed and adjusted from time to time 376 [63 STAT.