Use this free CSED calculator to find out when your IRS tax debt expires under the 10-year collection statute (IRC §6502). Enter your IRS assessment date and any suspension events (Offer in Compromise, bankruptcy, CDP hearings, innocent spouse relief, military service) to calculate your adjusted Collection Statute Expiration Date. Built by 70+ tax professionals including US Tax Court attorneys and former IRS agents at Neil Jesani Tax Resolution. Call (800) 758-3255 for professional CSED analysis.