State lawmakers adopted Washington's Open Public Meetings Act in 1971.
The act forced state and local governing bodies to hold most of their debates in public. Before, they only voted in public; the political wrangling, compromises, trade-offs and arm-twisting could be done behind closed doors.
The law requires agencies to notify the public at least 24 hours before meeting and requires them to meet within the area that they govern. It defines a meeting as any gathering of a majority of the board, if business is discussed.