Constituent Congress of Peru, 1822 ratified in succession to the former presidents of the Republic of Peru: José de la Riva Agüero and José Bernardo de Tagle (better known as the Marquis of Torre Tagle). After the proclamation of the independence of Peru, the ancient capital of the Viceroyalty of Peru, Lima, on July 28, 1821, General José de San Martín assumed command of the military political free departments of Peru, under the title protector, according to the decree of August 3, 1821. San Martín was the one who gave the state its first Peruvian flag, anthem, currency, and its administration and its first primitive
Mineral industry of Peru No. 868 of May 1996 (Texto Unico Official) provide guaranteed protections to mining ventures and contracts under the Peruvian Civil Code. Consequently, such ventures and contracts are immune from unilateral changes by any governmental authority in Peru without an appropriate legal or administrative remedy or arbitration by the Convenio Constitutivo del Centro Internacional de Arreglo de Differencias Relativas an Inversiones (Formal Consent of the International Center for Settlement of Relative Differences on Investments). Additionally, Peru enacted the Supreme Decree No. 047-2002-EF of April 2002 (import duties for capital goods) to reduce the duties paid to 7% from 20% and 12%