The board was chaired by Antonio Pérez Martínez y Robles, and Juan José Espinosa de los Monteros was secretary.

[6] On October 13 of the same year, Ramón Gutiérrez del Mazo, the first political chief of Mexico City, distributed a proclamation with the Declaration of Independence so all the people could read it, especially the courts, governors and military authorities, for them to publish it nationwide.

The resulting two documents were drafted in its final form by Juan José Espinosa de los Monteros, Secretary of the Board.

Juan O'Donojú, last Superior Political Chief of New Spain, Francisco Severo Maldonado, José Domingo Rus, José Mariano de Almanza and Miguel Sánchez Enciso did not sign the documents, but in the acts was written: Place of signature Juan O'Donojú and later his signature was added in the printed copies.

[11] None of the former insurgents—such as Guadalupe Victoria, Vicente Guerrero or Nicolás Bravo—signed the Declaration of Independence; the reason is unknown but probably because they wanted a Republic not an Empire.

The heroic efforts of its sons have been crowned today, and consummated in an eternal and memorable enterprise, which a spirit superior to all admiration and praise, out of love and for the glory of its Country started in Iguala, continued, and brought to fruition, overcoming almost insurmountable obstacles.

Restored then this part of the North to the exercise of all the rights given by the Author of Nature and recognized as unalienable and sacred by the civilized nations of the Earth, in liberty to constitute itself in the manner which best suits its happiness and through representatives who can manifest its will and plans, it begins to make use of such precious gifts and solemnly declares by means of the Supreme Junta of the Empire that it is a Sovereign nation and independent of old Spain with which henceforth it will maintain no other union besides a close friendship in the terms prescribed by the treaties; that it will establish friendly relationships with other powers, executing regarding them whatever declarations the other sovereign nations can execute; that it will constitute itself in accordance to the bases which in the Plan of Iguala and the Treaty of Córdoba the First Chief of the Imperial Army of the Three Guarantees wisely established and which it will uphold at all costs and with all sacrifice of the means and lives of its members (if necessary); this solemn declaration, is made in the capital of the Empire on the twenty-eighth of September of the year one thousand eight hundred and twenty-one, first of Mexican Independence

Foreign Minister Lucas Alamán made this reference about the theft:[18] "There is not in the republic another copy (handwritten) that the one in session hall of the Chamber of Deputies, the other was sold by an unfaithful employee to a curious traveler from France.

[20][21] Florencio Gavito Bustillo lived in France and there he was contacted by Luis García Pimentel, who offered to sell him the Declaration of Independence.

The National Institute of Anthropology and History was concerned about the exposure of the act and recommended not to expose it to more time because it does not have a special system for that.

[24][25] The act is protected between two flyleaves made with acid-free materials in the vault of the General Archive of the Nation under climate monitoring.