Applicants must complete and submit an application for tax credit certification to the DNR at the address on the Contact Us page. For example, for the donation to be potentially taxdeductible, the donor must donate the donor's entire interest in the property.Land Conservation Credit. Complete your specific application, get it signed and notarized, and pay the required fee. See specific instructions for each application type. Generally, you may deduct up to 50 percent of your adjusted gross income, but 20 percent and 30 percent limitations apply in some cases. Real estate charity donations can be used to avoid paying capital gains tax. Here are the tax benefits and other advantages. Donate Georgia commercial property, house, recreational land, residential lots, or any deeded property to our 501c3 nonprofit charity. A tax deduction equal to the current market value of the property (versus the cost of the property when it was purchased).