number of positions in grades 16, 17, and 18 of the general schedule

number of positions in grades 16, 17, and 18 of the general schedule Sec. 101. (a) Section 505 of the Classification Act of 1949, as amended, is amended to read as follows: “Sec. 505. (a) No position shall be placed in grade 16 or 17 of the General Schedule except by action of, or after prior approval by, the Commission. “(b) No position shall be placed in or removed from grade 18 of the General Schedule except by the President upon recommendation of the Commission. “(c) At any one time there shall not be more than four hundred positions in grade 16 of the General Schedule, not more than one hundred and fifteen positions in grade 17 of the General Schedule, and not more than thirty-five positions in grade 18 of the General Schedule. “(d) Positions that may be established under the proviso of section 203 (b) (1) of the Act of August 2, 1946 (60 Stat. 836), may be in addition to those authorized by the foregoing provisions of this section.” (b) The amendment made by subsection (a) shall not affect positions allocated to grades 16, 17, and 18 of the General Schedule of the Classification Act of 1949, as amended, pursuant to provisions of law (other than the Classification Act of 1949, as amended) and reorganization plans in effect prior to the effective date of this section.