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. With its headquarters located in Port Harcourt, the RIRS serves as a central hub for the state’s tax operations, focusing on transparency and innovation to improve revenue generation and the overall tax system in Rivers State.