Use Form 8883 to report information about transactions involving the deemed sale of corporate assets under section 338. Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity.For a list of forms and schedules available in ATX, please click on federal forms or select a state. What's New total voting power and value of the stock group's consolidated return for its tax year. Final Regulations under section 338.