Cross-deputization agreements; providing standardized cross-deputization agreement; codification; effective date.

HB 4135 standardizes agreements allowing Oklahoma state and local law enforcement officers to work on tribal lands by requiring all cross-deputization agreements between these agencies and federally recognized tribes to include specific mandatory provisions. Key mechanisms include defining officer authority to make arrests and respond to emergencies on tribal land, requiring liability insurance and training, and clarifying legal protections to reduce lawsuits. The bill directly affects state/local law enforcement agencies, tribal governments, and their officers operating within tribal boundaries in Oklahoma. It aims to resolve legal uncertainties that previously hindered cooperative law enforcement efforts on tribal lands.