Found this in the Michigan’s Freedom of Information Act document.
Lots of talk about that word authority.
http://www.legislature.mi.gov/documents/publications/openmtgsfreedom.pdf
Key Definitions:
“Public body” means:
• a state officer, employee, agency, department, division, bureau, board, commission, council, AUTHORITY, or other body in
the executive branch of the state government, but does not include the governor or lieutenant governor, the executive office of
the governor or lieutenant governor, or employees thereof;
• an agency, board, commission, or council in the legislative branch of the state government;
• a county, city, township, village, intercounty, intercity, or regional governing body, council, school district, special
district, or municipal corporation, or a board, department, commission, council or agency thereof; or
• any other body which is created by state or local AUTHORITY or which is primarily funded by or through state or local
AUTHORITY