Freedom of Religion/History/Country sources/Laos
Laos first established the right to freedom of religion in the 1991 Constitution, ratified on August 15. The right can be found in Chapter 1, Article 9 (“CONSTITUTION OF THE LAO PEOPLE'S DEMOCRATIC REPUBLIC”, 1991). “CONSTITUTION OF THE LAO PEOPLE’S DEMOCRATIC REPUBLIC.” 1991. International Labour Organization. August 15. https://www.ilo.org/dyn/natlex/docs/ELECTRONIC/75323/87941/F1091614924/LAO75323.pdf.
What is the oldest written source in this country that mentions this right?