6 Sale exempt from tax

a. The sale of goods listed in the First Schedule shall be exempt from tax subject to the conditions and exceptions set out therein.

b. The dealers or class of dealers specified in the Fifth Schedule shall be exempt from payment of tax on all sales of goods effected by them subject to such conditions as may be prescribed.

c. Where a dealer sells capital goods which he has used since the time of purchase exclusively for purposes other than making non-taxed sale of goods, and has not claimed a tax credit in respect of such capital goods under section 9, the sale of such capital goods shall be exempt from tax.