Dress modestly
Snake hands by lightly touching the hand + bringing the hand to the chest
Should not point will finger
visiting a mosque cover = their heads + not have their knees, arms exposed
Gift should not be passed with the fight hand
It's polite to accept even just a little food + drink where offered Ramadan = Muslims don't take food from sunrise to sundown = would be inconsiderate to eat or drink alcohol is not sold in Brunei but private be non Muslim = allowed