State agencies operate in much the same way that federal agencies do. Given the authority by legislative action, agencies promulgate rules that help with the practical implementation of the laws passed by the legislative body of the state.
The attorney general is charged with, among other things, defending the constitution and laws of Texas and representing the state in litigation. Part of fulfilling these responsibilities involves serving as general counsel for the governor, the legislature, and the agencies of the state. As provided by statute, the attorney general issues letter opinions when requested by officers and agencies of the state.
An Opinion Committee responds to requests from state officials for official opinions regarding different issues. These opinions, while not binding, are considered very persuasive by Texas courts when interpreting state laws.