01/10/2026
The entire management and staff of Osun Internal Revenue Service wish you all Happy Independence.
God bless Osun State,
God bless the Federal Republic of Nigeria.
Osun Internal Revenue Service is the primary Agency of the State Government responsible for the collection of Internally Generated Revenue.
1st-3rd Floor, Omoluabi Holdings Limited Building
Osogbo
| Monday | 08:00 - 17:00 |
| Tuesday | 08:00 - 17:00 |
| Wednesday | 08:00 - 17:00 |
| Thursday | 08:00 - 17:00 |
| Friday | 08:00 - 17:00 |
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