Road signs in Indonesia the rules are not being implemented properly. Indonesian road signs use Indonesian, the official and the national language of Indonesia. However, English is also used for important public places such as tourist attractions and airports. Bilingual signs can be found in tourist areas such as Bali. Indonesia signed the Vienna Convention on Road Signs and Signals but have yet to ratify the Convention. Warning signs warn of possible dangers or unusual conditions ahead and alert motorists on the hazards to expect. Warning signs in Indonesia used to closely follow The American MUTCD and Japanese diamond-shaped with yellow background and black-and-yellow
Directorate General of Immigration (Indonesia) the passenger to produce any necessary documents (such as hotel reservation and proof of finance). Indonesian passport is a travel document issued by the Government of Indonesia to Indonesian citizens residing in Indonesia or overseas. The main governing body with regards to the issuance of such passport(s), possession(s), withdrawal and related matters is the Directorate General of Immigration under Ministry of Law and Human Rights. Indonesia is one among many countries in the world that does not recognize multiple citizenship for its citizens and such citizens will automatically lose her/his Indonesian citizenship if another citizenship is acquired voluntarily. Special exceptions