OUTSTANDING PAYMENT / LACK OF COMMUNICATION

Morning, we have enrolled our son at Intec { student number : ********** 0549} in 2018 for his N1- N3 Electrical course, { fully paid } - problems started when it was time to write his March control tests, we misunderstood the whole process, we were under the impression he could choose which one of the 2 tests he wants to write.When we found out we got in touch with Intec via mail and telecoms. We received on email to state that we can move his tests to September 2018, which we did and on email was told the control test payment will then be used for his September control tests. He wrote both his control tests and we paid for him to write his external exam at a Fet college in Polokwane- only to be told after we made so many calls /emails that our son failed his control tests and could not write his external exam , we were told via email he can rewrite in 2019. I have already received his test and exam dates , but I see that some of the dates are overlapping, when I tried to inquire on email I was told because of an outstanding balance, they can no longer assist me. They also keep on sending me sms messages regarding this outstanding payment, but I have an sms message that says to ignore this are an internal issue. There are so many things I need clarification on and how am I suppose to get assistance if this how we are assisted? Can someone please call me ********** 956