Tahoe Resources has received approval from the Guatemalan Ministry of Environment and Natural Resources for an underground exploration programme at the Escobal project in Guatemala.
The firm has also acquired the land and surface rights required for the mine and project facilities.
Tahoe plans to complete 1,950m of underground excavation work to access drill stations in the East and Central zones of the deposit.
Major equipment, including four left-hand drives, three 45t-haul trucks, three rock bolters and three twin-boom jumbos have been ordered by Tahoe to implement the work plan.
Tahoe Resources president and CEO Kevin McArthur said the project included features to provide the highest levels of environmental protection and workforce safety, while minimising community impacts.