This research focused on exploring the regulatory framework governing tax collection in Nigeria, with a specific emphasis on the legal and institutional aspects. The analysis involved examining the relevant provisions of the Constitution of the Federal Republic of Nigeria 1999 (as amended) related to taxes and associated matters. Key statutes that regulate taxes and taxation were also scrutinized, including the Federal Inland Revenue Service (Establishment) Act, the Personal Income Tax Act, the Companies Income Tax Act, the Capital Gains Tax Act, the Value Added Tax Act, the Stamp Duties Act, and the Taxes and Levies (approved List) Act. Furthermore, the study investigated the governmental agencies responsible for tax collection and administration, such as the Federal Inland Revenue Service (FIRS), the Joint Tax Board (JTB), the Federal Board Inland Revenue (FBIR), States Board of Internal Revenue (SBIR), Local Government Revenue Committees, and Joint State Revenue Committees. The research paper was concluded by providing a summary of the findings.