STATE LAW – PENNSYLVANIA LIBRARY – GUIDE 08

Pennsylvania UM/UIM Stacking, Waivers, Multiple Vehicles & Priority

Pennsylvania generally provides stacked UM/UIM limits when coverage is purchased on multiple vehicles unless stacking is validly waived. This guide addresses intra-policy and inter-policy stacking, waiver forms, household and vehicle issues, priority among policies, and controlling appellate decisions.

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Current-law review: September 23, 2026. Verify current 75 Pa.C.S. §1738, waiver requirements, priority rules, policy language, and controlling decisions before publication.

PUBLIC-INTEREST LEGAL EDUCATION

VictimsGuide does not provide legal services or create an attorney-client relationship. Insurance requirements, deadlines, remedies and controlling authority can change. Verify current primary authority, policy language and the law applicable to the particular event before legal reliance.

Official Pennsylvania sources

Pennsylvania General Assembly · Pennsylvania Insurance Department · Unified Judicial System of Pennsylvania

Bottom line. Preserve Pennsylvania-specific first-party benefits, UM/UIM, tort-option, comparative-negligence, government-claim, damages, settlement and current-authority issues before legal reliance.