My company paid medical premium for me for the period 1st Mar 2014 to Feb 2015. For first half of the year it was with one medical vendor and then for the second year it was with a another medical vendor. I filed my IT tax returns on time. I got an additional assessment wherein SARS has not taken one medical vendor and I stand to lose out around R5000. How should I dispute and in the notice of objection form where do I fill the exact details as it is asking for source code?