Both the seller and purchaser of a group of assets that makes up a trade or business must use Form 8594 to report such a sale. Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity.Both the seller and purchaser of a group of assets that makes up a trade or business must use Form 8594 to report such a sale if goodwill or going concern value. Arrange your Minnesota schedules in the order they were completed and place them behind your Form M8. To compute Minnesota income tax, the proprietor uses Form M1, the individual income tax return form. Be sure to enter the taxpayer's SSN in the space provided on Form 8453. If a joint tax return, list the SSNs in the same order as the first names. Payments. â–· Attach to your income tax return.