Accounting Forms - Sonoma County Public Law Library 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by entering the reporting period at the top of the form. Specify whether this is a Transient Occupancy Tax Return, Business Improvement Area Assessment Return, or an Amended Return.
3. Fill in your TOT Certificate Number, Property Name, and Year. Ensure that the Property Address is complete with Owner/Manager details and Mailing Address.
4. In the Tax Assessment Information section, input your Gross Rent Receipts for occupancy of rooms, including any cleaning fees.
5. If applicable, list any exemptions and ensure you have additional forms ready to support these claims.
6. For Airbnb adjustments, provide gross earnings reports as required. Calculate taxable rents by combining lines 1 through 3.
7. Calculate the Transient Occupancy Tax Due by multiplying Line 4 by 12%, and if applicable, check the box for BIA Assessment Due and calculate accordingly.
8. Complete penalty calculations based on how many months late you are in submitting this return.
9. Finally, declare under penalty of perjury that all information is accurate before signing and dating the form.

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