The Inland Revenue Authority of Singapore (IRAS) is the country's foremost tax authority. It has an intricate, carefully-planned organizational structure. Its organizational structure has to be the best it possibly can so that the taxpayers of Singapore receive excellent service.

IRAS’ Organizational Structure

The Inland Revenue Authority of Singapore (IRAS) is the primary authority for all tax-related matters in Singapore. It is one of the Singaporean government’s statutory boards and is related to the Ministry of Finance.

Although everyone who pays tax in Singapore has to have some level of familiarity with IRAS and its inner workings, few actually do so. This is important because knowing more about IRAS will give a taxpayer more understanding about the country’s tax system and how the tax that has been paid will be used and managed.


General Overview

The person in charge of IRAS, as well as the head of IRAS’ board, is the Commissioner of Inland Revenue. The Commissioner in turn oversees the affairs of the four different groups into which IRAS can be broken down.

IRAS divides its operations among its four groups which are based on the category of Singapore tax with which they deal. These four groups are the following the Individual Group; Business Group; International, Investigation, and Indirect Taxes Group; and the Corporate and Services Group. These four groups are subsequently divided into 14 divisions.


Individual Group

The Individual Group of IRAS handles all issues related to tax imposed on individuals. This group is divided into two divisions: the Taxpayer Services Division and the Individual Income Tax Division. One may contact official figures from these divisions if certain services or information about one’s individual income tax are desired.

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Business Group

IRAS’ Business Group deals with matters involving business and corporate taxes as well as transfer pricing. The Business Group is separated into three divisions. These divisions are the Compliance Strategy and Insights Division, the Tax Policy and Transfer Pricing Division, and the Corporate Tax Division. Authorities from these divisions may be referred to if a company intends to improve its level of compliance, learn more about its corporate tax obligations, refine its tax policy, or gain more understanding about transfer pricing.

International, Investigation, and Indirect Taxes Group

The International, Investigation, and Indirect Taxes Group is involved with forms of tax that often have legal implications. It is divided into four divisions. This group’s four divisions are the Goods and Services Tax Division, the International Tax and Relations Division, the Investigation and Forensics Division, and the Property Tax Division. As each of these divisions often deal with material which is highly complex and technical, great care must be taken to avoid any offenses or violations when making contact with officials from these divisions.


Corporate and Services Group

The Corporate and Services Group handles matters related to areas such as info communications, corporate development, and corporate services. It can be separated into the following five divisions: the Enforcement Division, the Law Division, the Revenue and Corporate Services Division, the Info communications Division, and the Corporate Development Division. Due to the fact that this is the group with the most divisions and the largest number of areas covered, the Corporate and Services Group is the largest and most diverse of all of IRAS’ groups.