Donate Thank you for supporting the Treatment Action Campaign United States Residents can donate via the link below: Donate now US Credit Card donations via South Africa Development Fund (Network for Good). Enter TAC in the designation field. South African donations are tax deductible If you donate via Greater Good SA, you will recieve a Section 18A Certificate. TAC Financial Information and Management Disclosure Please see our funding and finances here. If you have any queries or concerns please email email@example.com or phone +27 21 422 1700.