Frequently Asked Questions

Are there any consequences for failure to pay tax within the due dates?

Additional tax at 1% per month on tax due is levied for late payment of tax. Other penalties may also be imposed.

What is the main purpose of the Portal?

This is the Official Tax Management Portal of the Sultanate of Oman. The portal offers relevant information about the taxation system in Oman and offers eServices as a n electronic channel for...

If the taxpayer needs a Taxpayer's Residence Certificate, whom should they contact?

The taxpayer should contact the Department of Taxpayers' Services.

If the taxpayer needs a Personal Residence Certificate, whom should they contact?

The taxpayers should contact the Department of Taxpayers' Services.

If the taxpayer needs a Tax Clearance Certificate, whom should they contact?

The taxpayer should contact or send mail the Department of Taxpayers' Services.

How can I access the e-services in the Portal?

You are welcome to visit the Portal and access all service-related information freely. But in order to execute any online or integrated service, you must be a registered user and logged in. Please...

What are the due dates for filing provisional and annual returns of income?

The accounting period for a tax year is generally the calendar year (January to December). A taxpayer is permitted to have a different accounting year, if he so wishes. The Taxpayers is required to...

To whom should the objection against the assessment be addressed?

It should be addressed to Chairman of Tax Authority.

How can I request help?

Thank you for your interest in visiting this portal. If you require any help about the portal in general or about any service in particular, please use Contact Us We are continuously...

What are the tax rates applicable?

The tax rate for establishments, Omani companies and permanent establishments is 12% of the taxable income in excess of RO.30,000. The taxpayers engaged in Petroleum exploration are subject to 55%...

Who is liable to pay tax?


Establishments
Omani Companies
Permanent Establishments