shall have his basic compensation fixed or adjusted at a wage rate that is not less than the appropriate wage rate provided for in section
206
(a)(1) of this title (except that the wage rate provided for in section
206
(b) of this title shall apply to any employee who performed services during the workweek in a work place within the Canal Zone), and shall have his overtime compensation set at an hourly rate not less than the overtime rate provided for in section
207
(a)(1) of this title.