Constitutional documents and events relevant to the status of the Empire of Brazil
List per year General Constituent Assembly 1823 Draft Constitution [pt] 1823 Constitution of 1824 1824 Article 99 1824 Additional Act 1834 Declaration of Age of Pedro II [pt] 1840 Decree 523 [pt] 1847 Land Law [pt] 1850 Eusébio de Queirós Law 1850 Reform Law of 1855 1855 Rio Branco Law 1871 Reform Law of 1875 1875 Saraiva Law 1881 Sexagenarian Law 1885 Golden Law 1888

The Additional Act was an amendment to the Brazilian Constitution of 1824, passed on August 12, 1834. The amendment enhanced the autonomy of the provinces.

• "Acto Adicional of 1834". Encyclopædia Britannica Online. Encyclopædia Britannica. 2009. Retrieved 2009-04-29.