Revenue Department  formulate revenue polices of the Federal Republic of Nigeria.

• Estimation of all Federal government oil and non-oil revenues.
• Review of the management of revenue collection.
• Inter-governmental revenue allocation matters.
• Periodic review of revenue performance.
• Preparation of Annual Reports on Revenue performance.
• Initiating, Recommending and Implementing Policies for enhancing Oil and Gas Operations.
• Analysis of returns on Oil production, lifting and sales profile by Oil Producing companies.
• Processing Import Duty exemption request, analysing these waivers and processing refund.
• Preparation of input foe quarterly report on the performance of the economy.
• Maintenance of data bank on all revenue matters.