Per the IRS:
Let the IRS know of a disputed notice. If a taxpayer doesn't agree with the IRS, they should follow the instructions in the notice to dispute what the notice says. The taxpayer should include information and documents for the IRS to review when considering the dispute.
https://www.irs.gov/newsroom/what-taxpayers-should-do-if-they-receive-mail-from-the-irs#:~:text=If%2....
If the IRS instructed you to file an amended return, see this help article:
How do I amend my federal tax return for a prior year?
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
