Duplicate post.
See https://ttlc.intuit.com/community/taxes/discussion/previously-a-specialist-macuser-said-you-cannot-sue-the-irs-but-that-appears-to-be-incorrect/00/1724068
Please keep your conversation in one place, don't spam the board with a new topic every time you want to add a comment. Original here. https://ttlc.intuit.com/community/after-you-file/discussion/how-long-to-sue-irs-for-refund/01/1724057#M443894