Free help from licensed tax pros. Not the IRS.Licensed tax pros in all 50 statesEspañol

CP40, explained

Your account went to a private collector.

Updated October 8, 2026Fact checked
How urgentMedium

Your account went to a private collector.

The short answer

A CP40 says the IRS gave your unpaid account to a private collection agency. The law requires the IRS to use them for some accounts. The IRS lists three: CBE Group, Coast Professional and ConServe. Check the name before you talk.

Key facts

  • The IRS is required by law to use private collection agencies for some accounts.
  • The agencies on the IRS list are CBE Group, Coast Professional and ConServe.
  • The agency will check who you are with a Taxpayer Authentication number.
  • The agency can set up a payment plan.

What to do next

  • Make sure the agency name matches the IRS list.
  • Or pay the IRS directly on irs.gov.
  • You can get free help from the Taxpayer Advocate Service.

Check your balance in your own IRS online account, and use the phone number on the notice or on irs.gov.

Results depend on your situation. Not every case qualifies.

Common questions

What is a CP40 notice?

A CP40 says the IRS gave your unpaid account to a private collection agency. The law requires the IRS to use them for some accounts. The IRS lists three: CBE Group, Coast Professional and ConServe. Check the name before you talk.

How urgent is a CP40?

Medium. Act by the date on the notice so it does not move up the ladder. The date on your notice is the one that counts.

Run the numbers with our free tax tools, like the penalty and payment plan math.

See your options

A few questions. A tax pro calls you back.

Free tools: penalty calculator, 10 year clock, IRS offer data

Free to use. Not the IRS or any government agency. Results depend on your situation. Not every case qualifies.