IRS Notices: What To Do (2025)

CP and LT notices, responding on time, and steps to resolve differences or appeals.

Common Notices

  • CP2000: Proposed changes to income
  • CP14: Notice of balance due
  • CP501/CP504: Final notices
  • Audit notices (letter requests for documentation)

How to Respond

  1. Read the notice carefully and note deadlines
  2. Gather supporting documentation
  3. Respond by the date provided or call the IRS number on the notice
  4. Consider seeking help from a tax pro for audits or complex disputes