Bhutanese nationality law
Bhutanese nationality law is the law governing the acquisition, transmission and loss of Bhutanese citizenship. The Bhutanese Citizenship Act of 1985 was introduced by the Druk Gyalpo Jigme Singye Wangchuck, on June 10, 1985, modifying the definition of a Bhutanese citizen.
Source: Wikipedia — Bhutanese nationality law (CC BY-SA 4.0)