The organizations listed below need to apply for an exemption letter from ADOR. Use the Form 990N Electronic Filing system (ePostcard) to electronically submit Form 990N, Electronic Notice (ePostcard) for TaxExempt Organizations.The state of Arizonia has a program that for certain charities for each dollar you give it is a Dollar of you State Tax. To be able to take the donation as a dollar-for-dollar tax credit the donor must have an Arizona tax liability and be filing an Arizona tax return.