The Chilean tax authority (Servicio de Impuestos Internos - SII) has published Circular No. 3 of 10 January 2024 and Resolution No. 18 of 31 January 2024, which provide instructions on the new mining royalty tax and establishes the forms for monthly payments. The new mining royalty tax applies from 1 January 2024.

Some of the key instructions provided by Circular No. 3 of 10 January 2024 con…