Generally, both the purchaser and seller must file Form 8594 and attach it to their income tax returns (Forms 1040, 1041,. Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity.Both parties are required to file Form 8594 alongside their respective tax returns to report the tax consequences of the asset acquisition accurately. This document will provide a guide to the rules and regulations for the preparation and approval of survey plats and legal descriptions. Learn how to file form 8594 and when to file.