What is the oldest written source in this country that mentions this right?

Brunei

According to Freedom House, "The unicameral Legislative Council has no political standing independent of the sultan, who appoints its 33 members. Brunei has not held direct legislative elections since 1962."

References:

Freedom House, "Freedom in the World 2023: Brunei" https://freedomhouse.org/country/brunei/freedom-world/2023

Voting Rights and Suffrage · Country sources (all rights) · Last edited 2024-05-16 · Edit on GitHub