(1) For the purpose of section 102A(2) of the Act, a rebate on royalty payable is 20% for a metal, other than gold dore, produced in Tasmania from a mineral mined in Tasmania.(2) Subregulation (1) does not apply to the primary treatment of a mineral to produce a mineral concentrate for sale or transportation.(3) For the purpose of section 102A(2) of the Act, a rebate on royalty payable is 10% for gold dore produced in Tasmania from a mineral mined in Tasmania.(4) The Minister, after consultation with the Treasurer, may increase a rebate under subregulation (3) to 20% having regard to the following:(a) the size of a new investment and additional employment arising from the production of gold dore;(b) any benefit to the Tasmanian economy from the new investment producing gold dore.