The Chilean mining giant will reduce shipments to customers under annual contracts for 2023 by around 10%, in line with the decline in its refined metal production.
In its current form, a royalty bill approved by the lower house last month would take company taxes well beyond the range of other major copper jurisdictions.
Government pressure and a rise in environmental, social and corporate governance investing will motivate firms to alter existing techniques, Fitch says.
The Ombudsman Office reported that over 64% of the 191 social conflicts registered in recent months in Peru are linked to social and environmental concerns related to mining operations.
An international arbitration panel ruled Costa Rica does not owe Canadian miner Infinito Gold any compensation from a project cancellation 10 years ago.