Public employees and officers: ethics; lobbying guidelines for legislative staff; provide for. Amends sec. 5 of 1978 PA 472 (MCL 4.415).

HB 4273 amends Michigan's lobbying law (MCL 4.415) to clarify definitions and registration requirements for lobbyists and legislative staff. It specifically defines "lobbying" as communicating to influence government action using information or data, and sets thresholds: anyone spending over $1,000 annually on lobbying must register, or $250 for lobbying a single official. The bill adds exemptions for certain government employees (like university staff, school board workers, and state department employees) who are not required to register. This is a procedural update to existing law, focusing on precise definitions rather than new policy.