For his opposition to the pro Santa Anna's governor, Ignacio Martínez Pinillo, he moved to Mexico City in 1854. With the triumph of the liberals, Juarez invited him to take part of the Juan Álvarez administration. He was named advisor on the implementation of Ecclesiastical Confiscations Law.[1]
For his law knowledge and experience, his was elected as deputy of the 1857 Constituent Congress of Mexico. This Congress drew up the Constitution of 1857. He was member of the Judicial Committee where he took part on the debates related to the military and ecclesiastical Fuero.[2] With the beginning of the Reform War, he traveled with President Juarez to Veracruz.
Exposición sobre el código de procedimientos penales (1880) México;
Historia de las dificultades entre México y Guatemala. Proyectada Intervención de Estados Unidos. Algunos documentos oficiales (1882);
Discursos de los Exmos. Señores L. Marroquín é I. Mariscal en la Academia Mexicana de la Lengua (1899) México: Imp. Francisco Díaz de León.[3]
Memoria que en cumplimiento del precepto constitucional presenta al duodécimo Congreso de la Unión, el C. Ignacio Mariscal rendido ante el Senado acerca del tratado de límites entre Yucatán y Belice (1893) México;
^Henestrosa, Andres. "Ignacio Mariscal". Semblanzas de Académicos. Ediciones del Centenario de la Academia Mexicana. Academia Mexicana de la Lengua. Retrieved April 3, 2013.
