This Tribal-State Budget Handbook serves as an overview of how the state budgeting process works and how Montanans who are American Indian can get involved. Section 1 summarizes the history of state and Tribal government relationships surrounding the state budget and explores why there is significant room for growth. Section 2 provides a summary of Indian Country’s economic contributions to the state. It also reviews how the state budget impacts Tribal Nations, including a list of critical services funded through state investment. Section 3 provides a detailed timeline of the budgeting and legislative processes in Montana. This is followed by an overview of how a bill becomes law and how to track legislative activity online. Section 4 outlines strategies for Tribal leaders and engaged citizens to influence the process.