Use Form 8883 to report information about transactions involving the deemed sale of corporate assets under section 338. Form 8594 must also be filed if the purchaser or seller is amending an original or a previously filed supplemental Form.8594 because of an increase or decrease. Download relevant Tax Collector forms. These include assessment removal, military property tax relief, Transient Occupancy Tax Exemption, and applicable forms. Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity. First letter of agent's first name and first 7 letters of agent's last name.