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What the IRS Can Do to Collect Unpaid Taxes (and What to Do If You Get a Bill)

What the IRS Can Do to Collect Unpaid Taxes (and What to Do If You Get a Bill)By: John B Love III Published on: 02/01/2026

Learn the key actions the IRS can take to collect unpaid taxes, including timelines for assessment and collection, how interest accrues, payment options, and the difference between collection appeals and collection due process—plus what to do if you agree or disagree with an IRS bill. (Educational only, not tax advice.)

IRS FormsCollectionsNotice of Federal Tax LienLevy
What the IRS Can Do to Collect Unpaid Taxes (and What to Do If You Get a Bill)