All visitors to Bali - Indonesia must possess a passport valid for at least six months after arrival date in Indonesia with proof of onward passage, with either return or through tickets. Passport must be valid with an expiry date at least of six months beyond the expected date of departure from Indonesia. Otherwise entry may be refused.

Indonesia immigration officials reserve the right to refuse entry to any visitor who, in their opinion, is not properly dressed or groomed (long hair is okay), lacks the proper funds, or "may endanger the country's security, peace, and stability or the public health and morals." These unfortunate undesirables will receive a transit visa upon arrival that allows them to hang out at the airport until the first available flight out.

The Department of Justice and Human Rights of Republic Indonesia has officially determined that as of August 2005:
Indonesia Government had granted visa on arrival favor to 52 countries to be able to purchase the visa on arrival facility upon their arrival in Indonesia's designed "International Gateway" at 15 airports and 21 seaports.
They are:

And started per 28 May 2007, Indonesia will be added its Visa on Arrival (VOA) favors to more 11 countries joined with previous 52 other favored countries according to the Directorate General of Immigration recent released paper.
The 11 countries are:

1. Algeria
2. Czech Republic
3. Fiji
4. Latvia
5. Libya
6. Lithuania
7. Panama
8. Romania
9. Slovakia
10. Slovenia
11. Tunisia

Tourists from those selected countries will not oblige to apply abroad for a visa but can purchase a visa on arrival at 15 gates of Indonesia's international airports and seaports. The fee for this visa, payable upon landing, is US$25 for 1- 30-days visa.

The official entry requirements for the issuance of a 30 days visa-on arrival:

1. Passport must be from one of the countries listed above.
2. Passport must be valid for a minimum of 6 (six) months from the date of entry into Indonesia .
3. Payment of US$25 must be paid at the gateway.
4. Onward or return tickets are compulsory.
5. Visitors must enter and exit through one of the 15 airports or 21 seaports officially approved as an "international gateway" by the Indonesian Immigration department.

11 countries and territories are eligible for a "Visa Free" facility. Those holding valid passports from the following countries will be granted a non-extendable 30-day Visa-Free Short Visit Permit upon arrival at an Indonesian international gateway without charge:

1. Brunei Darussalam
2. Chile
3. Hong Kong SAR
4. Macau SAR
5. Malaysia
6. Morocco
7. Peru
8. Philippines
9. Thailand
10. Vietnam
11. Singapore

Others nationals that not granted with either visa on arrival favor or visa free favor from Indonesia government may apply for tourist visa at Indonesia embassy abroad.