IRD is consists of six main sections, with each working together to ensure the Division effectively supports and encourages the collection of revenue.

• Support Services:  Responsible for overseeing and managing logistical support and procurement, human resources management, training and development, and communications functions of the Division.

• Design and Monitoring:  Responsible for the tax systems administration, designing of compliance risk management policies and processes to measure and monitor effectiveness of interventions taken.

• Processing and Data Capture:  Responsible for the processing function by providing quality controls, standard operating procedures and quick processing of tax returns and payments.

• Operations:  Responsible for the management of the provincial branches and the post assessments in terms of arrears and returns and auditing functions.
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• Large Tax office (LTO):  Responsible for ensuring all large taxpayers are provided with high levels of service and interaction by helping them to understand and meet their obligations.

• Value Added Tax:  Responsible for implementing the VAT Act by ensuring that all aspects of VAT are correctly implemented on a risk analysis basis, including registration, ensuring returns are lodged and that payments made are correct and on time, determining the amount of VAT refunds, conducting VAT audits and responding to VAT correspondence.