If I have to pay, how can I pay with my return??

[rafael-ranzani]

solution

[PeterM]

You can pay by internet, phone, or mobile device whether you e-file, paper file or are responding to a bill or notice. It's safe and secure.

Fees and Information

• Your payment will be processed by a payment processor who will charge a processing fee.
• The fees vary by service provider and may be tax deductible.
• No part of the service fee goes to the IRS.
• Your information is used solely to process your payment.

https://www.irs.gov/uac/Pay-Taxes-by-Credit-or-Debit-Card

If, however, you wish to pay your tax due using a credit card, select the option Charge my credit card when asked how you want to pay your federal taxes (this question appears in the File section). Please note that there is a convenience fee, which is charged by the payment processor. Fees vary by processing company, you'll have to look at the options available.