SURPLUS LINES
Effective January 1, 2026 the Office of the Montana State Auditor, Commissioner of Securities and Insurance (CSI) will adopt the SLIP+ for States platform for the reporting of Montana surplus lines policies and endorsements and payment of Montana surplus lines premium taxes. Tax Year 2025 and earlier filings, endorsements, cancellations, tax payments and statements will continue to be accessed via the Surplus Lines Legacy Portal.
Producers and direct procurement filers who currently have a SLIP+ for States account can use their existing SLIP+ for States login to report Montana policies and transactions starting January 1, 2026. Filers who do not currently have a SLIP+ for States account can register for an account now and begin reporting on January 1, 2026.
SLIP+ for States Registration and Login Information
Montana Surplus Lines Premium and Fire Tax Payment and Transaction Fee Schedule
Montana Surplus Lines Coverage Codes
Montana Surplus Lines Tax Estimator
Need Help or More Information about using Slip+ for States in Montana? Click Here