Chile's Internal Revenue Service (SII) has issued Circular No. 24 of 28 March 2025, which establishes new tax rates for small artisan miners and other SMEs engaged in the mining and sale of copper. For small artisan miners applying the simplified single tax, the tax rates are as follows on net revenue from the sale of copper: 1% if the international price of copper does not exceed USD 3.97 (397 cents) per pound; 2% if the international price of copper exceeds USD 3.97 (397 cents) per pound and does not exceed USD 5.1049 (510.49 cents) per pound; and 4% if...