The Environmental Management Adaptation Program (PAMA) was approved by the Peruvian government. According to it, the operations of Toquepala and Cuajone had a term of five years to adapt to what was established in the PAMA. For the Ilo smelting operation, the established term was ten years.
![1997hist](https://southerncoppercorp.com/eng/wp-content/uploads/sites/2/2022/05/1997hist-424x212.jpg)