SABC bad Administration

After 14 years the SABC TV.LICENCE Department wants money from me for Tv licence not paid.I have already inform them with more than 3 affidavits that I already cancel my Tv licence in 2012 and that my wife is the only holder of a Valid Tv licence.till today!!but still they Victomise me every second month with email to pay the outstanding amount.Everytime they make contact with me,they use another person or Department!!I dont own them money so Im Gatvol for this ******* SABC,If already send them the proof!!!