When completing the form you must: • List all assets you own or control as of January 1, including those assets fully depreciated in your. Everyone who uses personal property in a business must complete a personal property tax listing form.Effective with the 2020 FP-31 return, booklets will no longer be printed or mailed. You must file and pay electronically through MyTax.DC.gov. Business owners operating a business in Kitsap County must report their assets to the Kitsap County Assessor. Sale or Close of Business Reporting Form (PDF). When completing the form you must: 1. Taxpayers can complete transactions on MyTax DC or call 202-727-4TAX. These agencies require that unsafe items are not allowed to enter the United States.