Visitors should always be polite and avoid public displays of affection. It is considered impolite to use the left hand for passing or accepting things. Appropriate dress is important in places of worship and women should dress conservatively, covering the shoulders and legs, especially in Muslim areas. The concept of 'saving face' is very important and public displays of anger, and personal ridicule and blame are considered extremely vulgar and bad mannered. In Jakarta a new law bans people from giving money to beggars, buskers and unofficial traffic guides in an attempt to 'bring order' to the city. Offenders could face up to six months in jail and $5,000 fines. Gambling is illegal.
Tipping: Major hotels add a 10% service charge to bills. Where it is not included, a tip of between 5% to 10% of the bill, would be appreciated. Airport porters usually receive around Rp 2,000 per small bag. Tipping taxi and rental car drivers is not mandatory, but if you do choose to tip, Rp 1,000 is sufficient for taxi drivers and a little more for rental car drivers.
The Indonesian climate is hot and tropical, so although formal business attire is expected, a light, cool material is the best option. Indonesia is largely Muslim so dress should be conservative, especially for women. Business cards are often exchanged and it is customary to shake hands with a slight bow when greeting and leaving. Some Indonesian names can be long and hard to pronounce and making an effort to get it right when greeting someone will be appreciated. It is best to use formal titles such as Doctor, or 'Bapak' for Mr. and 'Ibu' for Madam. Business hours vary, government offices are usually open from 7am to 3pm and small businesses from 8am or 9am to 4pm or 5pm.