For detailed information on paying your taxes by credit or debit card, or other electronic payment, see IRS Electronic Payment, or call IRS at 800-829-1040. For more information on paying your taxes, refer to your form instructions, and to Topic 158. If you cannot pay all of the tax due on your return, the IRS may be able to assist you with arranging payments. For additional information on what to do if you cannot pay your income tax, refer toTopic 202.