The Legislature is situated on the Plaza San Martin, in the block through the streets 7, 51, 8 and 53.
The design corresponded to the German architects Gustav Heine and George Hagemann, of Hanover, who was awarded the International Project Competition organized by the provincial government brand in 1881.
Charles Nordman was the architect who directed the work of this classical building, with entrances on Ionic entablatures with symbolic sculptures of law, on the street 7, of the Constitution, on 51, and Gloria, on 53.
The reliefs that adorn the walls showing the history and wealth of our country.
The furniture was purchased in France in 1887, Damon's house in Paris, and the ceiling of the floor of the House of Representatives was painted by Graziano Mendilaharazu.