What do you call a law passed at the state level

Legislation enacted into law. A bill that has passed both houses of the legislature, been enrolled, ratified, signed by the governor or passed over the governor's office, and printed. It is a permanent measure, having the force of law until repealed.

Legislative terms are defined according to their use in state legislatures. ... A bill that has passed both houses of the legislature, been enrolled, ratified or signed by the governor

the answer is a) to be able to obey them.