Commonly Used Forms. Business Certificate Order Form, Fill out and complete the PDF to order a copy of a Business Certificate.Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address. Search tax forms and instructions. A single personal property assessment is made for all taxable personal property of the owner located in the city or town. 2. Taxpayers should use these forms and guides to apply for local tax abatements and exemptions and file property returns. Q: How can I get my current property tax bill? You don't need to put down the value of your personal property. Tangible personal property used in research and development business .