The project would cover areas of Yucatán state, with the tender expected to be launched in December when the incoming government takes office.
Chile's SQM agreed to sell its 50% stake in the Caucharí-Olaroz lithium brine project in Argentina to China's Ganfeng.
Company executives also raised the prospect of a foray into the energy storage segment during a quarterly earnings call on Tuesday.
Spanish banking giant BBVA said it has "expressed its willingness to negotiate with the Bolivian government to produce a smooth and orderly transfer with the regulator and the authorities."
Until now Brazil has been one of the few major economies in Latin America and the developing world not to have such legislation in place.