Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address.Register with the Tax Department through New York Business Express before beginning business. File an IRS Form 990 or 990EZ. Generally, you can only deduct charitable contributions if you itemize deductions on Schedule A (Form 1040), Itemized Deductions. This step-by-step guide will help you fill out the donation tax receipt and get things in order for tax season. I want to donate to the Orange County Holiday Program! For questions regarding other property or assets, please email Mauri Ramirez, Legacy Planning Advisor or fill out the form below.