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The Daily Insight

Do you need to send a lock in letter to the IRS?

Author

Ava Robinson

Published Feb 12, 2026

You must disregard any Form W-4 that decreases the amount of withholding. The employee must submit any new Form W-4 and a statement supporting his or her request to decrease federal income tax withholding. to the IRS for approval. The employee should send the Form W-4 and statement to the address on the lock-in letter.

Where to send Form W-4 for lock in letter?

You should send your Form W-4 and supporting documents to the IRS address as shown on this webpage. Once we issue a lock-in letter, you won’t be able to decrease your withholding unless we approve it. What if I don’t want to submit a Form W-4 to my employer?

When does a lock in letter take effect?

This date is 60 days after the date of the lock-in letter. Once a lock-in rate takes effect, an employer cannot decrease withholding unless we approve it. You’ll also receive a copy of the letter to give to the employee.

Do you get a copy of your lock in letter?

At that point, your employer must disregard any Form W-4 that decreases the amount of your withholding. You’ll receive a copy of the lock-in letter, and we’ll give you some time before the lock-in rate is effective to submit a new Form W-4.

Why did I get a 2801c letter from the IRS?

You received this letter because we determined that you’re not entitled to claim exempt status or more than a specified number of withholding allowances. Generally, your employer bases the amount of withholding for federal income tax on your Form W-4, Employee’s Withholding Certificate PDF.

What to do if you get a letter from the IRS?

It’s recommended you call the IRS at 800-829-1040. You can give them the notice number or letter number that’s on the correspondence, and an IRS representative will tell you whether or not it’s legitimate. Always report fake letters to the IRS.

What do I do if I receive a lock in letter?

These tables can be applied separately to systems for new and old lock-ins, or a single system can be used based on the 2020 W-4 Form. As an Employer, What Do I Do if I Receive an Employee’s Revised W-4 Form?

What does a letter from the IRS mean?

I received a letter from the IRS. It is a statement showing interest income from the internal revenue service, Calendar I received a letter from the IRS. It is a statement showing… Tax advisor and Enrolled A…