Penalties and Compliance

The failure-to-file penalty is a penalty that can apply when a required tax return is filed late or not filed on time.

The failure-to-pay penalty is a penalty that can apply when tax owed is not paid on time, even if the return itself was filed.

The accuracy-related penalty is a penalty concept tied to certain return inaccuracies rather than only to filing or payment timing.

A tax lien is a tax-enforcement concept involving the government's legal claim connected to unpaid tax obligations.

A tax levy is a tax-enforcement concept associated with the collection side of unresolved tax liabilities and is closely related to, but distinct from, a tax lien.

Terms for filing failures, payment failures, and the compliance concepts that arise when tax rules are not followed on time.