2009 Michigan Laws > Chapter 565 > Act 66 of 1956 – Oil And Gas Assignments Current as of: 2009 | Check for updates | Other versions § 565.81 Oil and gas assignment; security for indebtedness § 565.82 Oil and gas assignment; time of operation § 565.83 Oil and gas assignment; validity; certified copy; service on pipe line company § 565.84 Oil and gas assignment; duration of effectiveness § 565.85 Oil and gas assignment; definitions