If I disagree with the data provided in my 1099 form, what is the process for disputing it? Liz February 14, 2022 23:19 Updated Please leverage the adjustments section on tax form 8949 if you dispute the data provided to you and have evidence to support those adjustments. Related articles What is the accounting method that was utilized to calculate tax liability for the 1099 form I received? Does my 1099 provided by Prime Trust include all my sells across custodial accounts held at Prime Trust? How Do I Add an Authorized User to an Existing Account? I am a Customer of a Platform and Experiencing An Issue, What Do I Do? Does Prime Trust offer $130m in FDIC insurance total or $250k in FDIC insurance per account? Comments 0 comments Please sign in to leave a comment.