1. The following passengers are allowed to enter: 

- Tongan citizens; 

- permanent residents of Tonga;

- passengers with the permission of the Ministry of Health and the Ministry of foreign affairs. 

2. Passengers must fill out the "traveler's medical declaration card" and provide it upon arrival

It is forbidden to work or engage in business on a guest visa, respectively, you need to apply for employment visas or business visas, depending on the purpose of your stay on the island.

Visas for employment. This type of visa is intended for any non-Tongan who wants to work in the country as a paid employee or volunteer. 

Business visas. International employers and business owners who want to start a company in the country must apply for this visa. Applicants traveling to Tonga with the intention of starting a business can enter the country on a guest visa, but must

notify the Tonga Immigration Service of your intention in advance and in writing.

Available industries for doing business are listed here.  

Business visas are relevant if you are going to establish a subsidiary in the country, while work visas are crucial for any non-national employee. All employees who aren’t citizens of the country must have a valid work visa.

Requirements for obtaining a work/business visa to Tonga

To apply for a work visa, applicants need a number of materials, including:

• A valid passport for at least 6 months from the date you plan to leave Tonga.
• Two copies of the passport photo.
• Medical report from a certified doctor.
• Certificate of non-criminal record from the applicant's country of residence.
• Letter of authorization from the Ministry of Labor, trade and industry.

If the applicant intends to work for up to 2 years or longer, they need additional documents for the application, in particular:

• Job offer.
• Employment contract.
• Proof of professional skills and any necessary licenses for the position.
• Employer's business license and company registration (if required by the Immigration Department).

If the applicant is going to do business in Tonga for up to 2 years or longer, they will need additional documents for the application, including:

• Business plan.
• Accompanying letter from the deputy secretary of the Ministry of Labor, trade and industry, Nuku'alofa.
• Confirmation of financial investments.
• Bank statements, letters of recommendation from bankers/creditors.
• The Immigration Department may request information about the company, including proof of registration and license. 

Application process

Applicants must first request a letter from the Ministry of Labor, trade and industry that allows them to work in the country. From there, they can collect all the other necessary materials, including a certificate of non-criminal record, medical information. Applicants must submit these documents along with the completed work permit application form to the nearest consulate or immigration office.

The Immigration Department requires all attached documents to be in English. If the applicant's attachments are in a different language, they must create the translated material and include a certificate from the Ministry of Foreign Affairs confirming the correct translation.

Applying for a work visa can take up to a month. 

Tonga has a number of visa rules for countries around the world. Residents of some countries can get a visa on arrival. However, on-arrival visas only apply to visitor visas, not work visas. If the applicant is a citizen of a country on the Tongan visa list on arrival, they must still apply for a work visa before entering the country.