A supply of * precious metal is GST - free if:
(a) it is the first supply of that precious metal after its refining by, or on behalf of, the supplier; and
(b) the entity that refined the precious metal is a * refiner of precious metal; and
(c) the * recipient of the supply is a * dealer in precious metal.
Note: Any other supply of precious metal is input taxed under section 40 - 100.