Fill out this form carefully to ensure accurate information about your donations. Do you need a donation receipt letter to claim a tax deduction?Please indicate the company name for tax purposes. Do I get a tax-deductible receipt for my donation? Yes, you will receive an acknowledgement letter within one week of making your donations. Thank you for your generous tax-deductible donation. You are helping us provide support, education, and advocacy to thousands of people living with mental. We must receive both of these documents before a pick up can be scheduled. How to deduct your Goodwill donations on your taxes. How do I change the debit card or credit card information for my monthly donations?