Emperor Agustin’s Colonization Law Decree of 1823: Articles 1-4
Article 1. The government of the Mexican nation will protect the liberty, property, and civil rights of all foreigners, who profess the Roman Catholic apostolic religion, the established religion or the empire.
Article 2. To facilitate their establishment, the executive will distribute lands to them, under the conditions and terms herein expressed.
Article 3. The empresarios, by whom is understood those who introduce at least two hundred families, shall previously contract with the executive, and inform it what branch of industry they propose to follow, the property or resources they intend to introduce For that purpose; and any other particulars they may deem necessary, in order that with this necessary information, the executive may designate the province to which they must direct themselves; the lands which they can occupy with the right of property, and the other circumstances which may be considered necessary.
Article 4. Families who emigrate, not included in a contract, shall immediately present themselves to the Ayuntamiento of the place where they wish to settle, in order that this body, in conformity with the instructions of the executive, may designate the lands corresponding to them, agreeably to the industry which they may establish.
McKeehan, Wallace L. Sons of DeWitt Colony Texas, 2015, Coahuila y Texas Index, Colonization Laws: http://www.sonsofdewittcolony.org/cololaws.htm