These restrictions are usually held to extend to the states, and from there all the way down to school districts. Basically all government at all levels. State

These restrictions are usually held to extend to the states, and from there all the way down to school districts. Basically all government at all levels. States charter corporations. Ergo, elected officials at any level may void corporate NDAs at will. (then again, something along those lines is my solution to most problems involving corporations....)