Decreto Supremo No. 003-2007-MTC is issued by the Ministry of Transport and Communications (MTC) in Peru, and primarily focuses on the regulation of telecommunications infrastructure.

The Telecommunications Law, 11/2022, replace Law 9/2014 on General Telecommunications in Spain.

Law No. 16,211, known as the Public Companies Law. 

The mixed economy companies are provided for in the National Constitution of 1967, in its article 188. 

Website for Spanish association of Water control and treatment enterprises

Joint Ventures and Industrial and Regional development Enterprises Taxation Regime Law 18/82

Website for Ministry of Housing, Construction and Sanitation in Peru. 

The sector regulating entity is the National Sanitation Services Supervisory (SUNASS), created by law in 1992.

Decree 1031 of 24 June 2008 - promotes the efficiency of the business activities of the State. It also provides the legal framework for joint ventures.

Decree 2336/57 - Law on the constitution of mixed economy joint stock companies