The Nigerian tax system, governed primarily by the Personal Income Tax Act (PITA) and the recent Nigeria Tax Act 2025, requires every resident to report their total income from all sources annually. Whether you are a full-time employee, a freelancer, or a business owner with multiple side hustles, filing is your way of declaring your earnings and expenses to the government to ensure you are paying exactly what you owe. In Nigeria, there is often a misconception that only businesses file taxes, and once an employer has remitted and filed taxes on your behalf, you have met your responsibilities to the government. While registered businesses must file by January 31, individuals have a slightly longer window. Every individual earning an income in Nigeria is required by law to file their perso...