Cession Cancelation Letter

on the 19th january 2019 i asked for cession cancelation letter from nedbank Southdale and enquiries team leader promised to call me on monday no call. on tuesday i received email from old mutual and forwarded to the branch. three weeks later no answers. 06 february i sent email to clientfeedbank@ nedbank received auto responds that my call will be responded to within 24hrs. on the 08th february 2019 i called nedbank complaints and could not get help . i have spent R1095 airtime to get service and received no joy. nobody has answers for me or release the cancelation letter. Passbook number 1/2763/1 done in 1996 july