Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity. Generally, both the purchaser and seller must file Form 8594 and attach it to their income tax returns (Forms 1040, 1041,.This letter should include the complete legal name of the business, the EIN, the business address, and the reason for the cancellation. To apply for a business license, you may apply online here or complete the Business License Application (New Business Tax Affidavit form). The seller and the buyer each use Form 8594 to allocate the assets among seven asset categories. Allocation is based on the fair market value. If you are calling from outside of the 48 contiguous states, please call 1-916-445-6362 or complete our online form to reach our Customer Service Center. You must submit a paper filing and a supplemental form to the Assessor's Office. Both forms are on our e-filing site.