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.IRS Form 8594 walkthrough (Asset Acquisition Statement under IRC Section 1060). Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity. Included as part of intangibles that we purchased is key personnel valued at 300K. Did you buy or sell a business during the tax year? If so, you may need to file IRS Form 8594 with your federal tax return. A current, valid, government-issued photo ID is required to test. It must have the same address as the one used when setting up the account online.