The GS was enacted into law by the Classification Act of 1949, which replaced Classification Act of 1923. Starting in 2009, some federal employees were also paid under Pay Bands.
The remaining 29 percent were paid under other systems such as the Federal Wage System (WG, for federal blue-collar civilian employees), the Senior Executive Service and the Executive Schedule for high-ranking federal employees, and other unique pay schedules used by some agencies such as the United States Securities and Exchange Commission and the Foreign Service. The GG pay rates are identical to published GS pay rates.
As of September 2004, 71 percent of federal civilian employees were paid under the GS. The GS includes the majority of white collar personnel (professional, technical, administrative, and clerical) positions. The General Schedule ( GS) is the predominant pay scale within the United States civil service. Pay scale for some employees of the Federal Government of the United States
