Main Content Act 309 of 2006 friendly link Printer Friendly bills affecting index and updates Search within this Statute for SELF-DEFENSE ACTAct 309 of 2006AN ACT to clarify the rights and duties of self-defense and the defense of others. History: 2006, Act 309, Eff. Oct. 1, 2006 © 2017 Legislative Council, State of MichiganThe People of the State of Michigan enact: DocumentTypeDescription Section 780.971SectionShort title. Section 780.972SectionUse of deadly force by individual not engaged in commission of crime; conditions. Section 780.973SectionDuty to retreat; effect of act on common law. Section 780.974SectionRight to use deadly force; effect of act on common law.