Office Hours: Mon - Fri 8.00 am - 4.00 pm

Rivers State Internal Revenue Service (RIRS)

The Rivers State Internal Revenue Service (RIRS) is a key government agency established in 1993 under the Board of Internal Revenue Law. It is tasked with the responsibility of assessing, collecting, and accounting for all taxes, fees, and levies within Rivers State, ensuring a steady stream of revenue for the state government. The agency plays a crucial role in the state’s economic development by facilitating effective tax administration, promoting compliance among taxpayers, and contributing to policy formulation. 

How to Apply

Individual Taxpayers Procedure

Visit https://www.riversbirs.gov.ng/

Sign up via rivtamis.riversbirs.gov.ng.

Verify email, log in, and update profile.

Request a Tax Clearance Certificate (TCC) by selecting an RIRS station and filling Form A.

Upload supporting documents and payment proof.

Submit request and track progress.

Accept or reject the tax assessment.

After payment, declare payment details via the New Declaration option.

Select category, payment type, and amount. Confirm transaction details. Pay using a preferred method.

Track payment history.

How to Apply

PAYE Agents (Employers/Organizations) Procedure

Log on to https://rivtamis.riversbirs.gov.ng/

Select category and complete the registration form.

Activate the account via email and update the profile.

Add new employees manually or import a list.

Add existing registered taxpayers.

Annual Returns Filing Procedure

Ensure employee list is uploaded.

Click Annual Returns > File Annual Returns.

Add or edit director details.

Upload CAC documents (CO2, CO7, Certificate of Incorporation).

Submit required forms (Form H1, Form G).

Upload supporting documents (Expatriate Immigration Quota, Deletion Letter if applicable).

Submit and track progress.

Payment Procedure

Select payment category, type, and amount.

Choose payment method and confirm details. View payment history.

Tax Clearance Certificate (TCC) Requests Procedure

Select TCC type and tax year.

Choose employees and apply for TCC

Track TCC status

Withholding Tax Procedure

Add vendors and transaction details.

Upload withholding tax documents and receipts

Request credit notes

Office Hours:
Mon – Fri: 8:00 am – 4:00 pm
Phone: 070004RIV-INVEST
(07000474846)

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