Tax Evasion

I have been an agency nurse for Nurses on Call for the past 3yrs and and in the tax period of 2017-2018 when I asked for my IRP5 I was told there had been a technical error and they couldn't find it so they promised to refund all the money they had been taxing me for the whole year. I spoke to Roy Singh and he assured me that I would not be facing the same problem coming tax year. This year 2019 I asked for my IRP5 which again I am told there was again a technical error now funny enough there is stories about speaking to the director about refunding the money taxed, I am being taxed over r1200 a month which is not being paid to SARS and when I requested for my payslips as they don't send payslips there was stories again about the payslips I was told the finance person that can send me the payslips is not there. This to me is clearly tax evasion and fraud from Nurses on Call and I have been taxed for 12 months over r1200 every month I will be reporting this to SARS.