• Pass in front of a person in prayer and non-Muslims should not handle the Koran, the holy book of Islam, when visiting the mosques.
• Eat or drink in front of Bruneian Muslims in daylight during Ramadan, an annual holy month for Muslims.
• Smack the fist of your right hand into your left palm.
• Offer alcoholic beverages to Bruneian Muslims and must be consumed privately in your hotel room.
• Insult or speak badly of the Sultan of Brunei or the Royal family.