years sars deposited R52000 into my a/c I told them to pay back to sars because I didn't know where it's came from they eve confirmed that it's *****ulent

years sars deposited R52000 into my a/c I told them to pay back to sars because I didn't know where it's came from they eve confirmed that it's *****ulent. They decided to keep that money. Last year June sars demanded that money I went the branch me from pillar to post but they added paying the money to sars but sars was already ganished me , when I asked them why they still ganished my salary they said I pay interest. Now ABSA don't want pay the interest of that money they were kept for 3years I'm thevone who suffer paying the interest of the money I didn't took