Form 720-TO and Form 720-CS are information returns used to report monthly receipts and disbursements of liquid products. A liquid product is any liquid transported into storage at a terminal or delivered out of a terminal. For a list of products, see the product code table in the Instructions for Forms 720-TO and 720-CS.
The returns are due the last day of the month following the month in which the transaction occurs. Generally, these returns can be filed on paper or electronically. For information on filing electronically, see Publication 3536, Motor Fuel Excise Tax EDI Guide. Publication 3536 is only available on the IRS website.taxmap/pubs/p510-003.htm#en_us_publink1000116829
This information return is used by terminal operators to report receipts and disbursements of all liquid products to and from all approved terminals. Each terminal operator must file a separate form for each approved terminal.taxmap/pubs/p510-003.htm#en_us_publink1000116830
This information return must be filed by bulk transport carriers (barges, vessels, and pipelines) who receive liquid product from an approved terminal or deliver liquid product to an approved terminal.