Updated August 20, 2024 Mason's Manual 2020 Edition Mason's Manual of Legislative Procedure is a premier parliamentary authority for state legislatures. NCSL follows Paul Mason's tradition of updating and reprinting the book approximately every 10 years. About State Legislatures Center for Legislative Strengthening
Updated January 06, 2025 Veto Override Thresholds Every state and territory’s constitution or organic act empowers the governor to veto a bill passed by the legislature, preventing the bill from becoming a law. The legislature can attempt to override the veto, which requires both chambers to vote with thresholds of 1/2, 3/5 or 2/3 of members, depending on the state. Center for Legislative Strengthening
Updated January 02, 2025 2024 State Legislative Session Calendar 2024 State Legislative Session Calendar - view the legislative session calendar and map of the 50 U.S. states and territories. Find dates and notes about upcoming and current regular sessions and special sessions. About State Legislatures Center for Legislative Strengthening Map