Lei No. 9.991 - Eficiência Energética;
This law states that businesses that have permits and authorization for the distribution of electricity are required to destine a percentage of their earnings, each year, for research on the search and development of energy efficiency.
Public domain government legislation re-posted as part of an Institutional Repository collection to aggregate energy policy.
Congresso Nacional do Brasil. "Law No. 9.991 - Energy Efficiency." (2000). https://digitalrepository.unm.edu/la_energy_policies/102