Intro
Banning persona non grata is internationally acceptable, highlights a country's authority, and non-culturally relevant
-International diplomatic law
-Individual country s authority
-A country's leader initiative
Body 1
Denying persona non grata entry into a country is one of the oldest Foreign Relations law.
Body 2 Thailand like other independent countries, has the right to declare anyone persona non grata and ban them from entering the country.
Body 3
Sometimes depending on common decency, the leader of a country can exercise personal discretion to ban an unwanted person from entering the country.