Where to mail a tax payment for form 1120?

To mail a tax payment for Form 1120, you should send it to the address specified in the Form 1120 instructions, which varies depending on whether you are including a payment and your business location. Generally, if you are using a payment voucher, you would send it to the appropriate IRS address based on your state. It's important to ensure you check the latest IRS guidelines for the correct mailing address, as it can change. Always consider using certified mail for tracking purposes.