# Institutional Act Number Four
**Wikidata**: [Q9636877](https://www.wikidata.org/wiki/Q9636877)  
**Source**: https://4ort.xyz/entity/institutional-act-number-four


## References

1. [Source](http://www.planalto.gov.br/ccivil_03/ait/ait-04-66.htm)
2. [Source](https://commons.wikimedia.org/wiki/Category:AI-4)