Form 1120 Corporate Tax Return

Can You Use a P.O. Box on Form 1120? IRS Address Rules for LLCs

2:25Premium Video

Written byLipai WangFounder · IRS-registered tax professional

Key Takeaways

P.O. Boxes are acceptable on Form 1120 for mailing purposes
Use with C/O formatting when routing through a U.S. third party
Consider mail forwarding services with street addresses

P.O. Boxes on Form 1120

Yes, you can use a P.O. Box as part of your C/O mailing address on Form 1120. This is acceptable for receiving IRS mail when your principal office is overseas.

Limitations

Some IRS processes may require a physical street address. Consider a mail forwarding service that provides both a street address and mailbox number.

Frequently Asked Questions

Is a virtual mailbox the same as a P.O. Box?

Virtual mailboxes with street addresses are generally preferred over P.O. Boxes for IRS filings.

form 1120corporate taxforeign-owned LLC

IRS Form 1120 Instructions

Official IRS source on irs.gov

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