In FEDERAL REPUBLIC OF NIGERIA v MUHAMMADU MAIGARI DINGYADI (2018) LPELR-4606 (CA), in the following way at page 33: “One main guiding post is that the principles upon which the Constitution was established rather than the direct operation or literal meaning of the words used measure the purpose and scope of its provisions: See Global Excellence Communications Ltd v. Donald Duke (2007) 6 NWLR (Pt. 1059) 22 @ 41-41 (SC); Attorney General of Bendel State v. Attorney General of the Federation (1982) 3 NCLR 1; Saraki v. F.R.N. (2016) 3 NWLR (Pt. 1500) 531; Skye Bank Plc v. Iwu (2017) 16 NWLR (Pt. 1590) 124. There is always a need for the fulfilment of the object and true intent of the Constitution. Therefore, the Constitution must always be construed in such a way that it protects what it sets out to protect and guide what it is meant to guide Adeleke v. Oyo State House of Assembly (2006) 6 NWLR (Pt. 1006) 608. In interpreting the Constitution of a nation, it is the duty of the Court to ensure the words of the Constitution preserve the intendment of the Constitution Okogie v. A.G. Lagos State (1989) 2 NCLR 337, Abaribe v. Speaker, Abia State House of Assembly (2002) 14 NWLR (Pt. 788) 466, Marwa v. Nyako (2012) LPELR-7837 (SC). Every Constitution has a life and moving spirit within it and it is this spirit that forms the raison de’ entre of the Constitution without which the Constitution will be a dead piece of document. The life and moving spirit of the Constitution of this country is captured in the Preamble. It has been held that when a Constitutional provision is interpreted, the cardinal rule is to look to the Preamble to the Constitution as guiding star, and the directive principles of State Policy as the book of interpretation’, and that while the Preamble embodies the hopes and aspirations of the people, the Directive Principles set out the proximate grounds in the governance of the country Thakur v. Union of India (2008) 6 SCC 1. In other words, in interpreting the wordings of section 212(1)(a) of the 1999 Constitution (as amended), the Court should be guided by principles upon which the Constitution was established rather than by the direct operation or literal meaning of the words used in the provision, and where the literal meaning of the words used are not in consonance with the guiding principles, literal interpretation must be jettisoned for another approach that accords with the guiding principles of the Constitution Abaribe v. Speaker, Abia State House of Assembly (supra) (2002) 14 NWLR (Pt. 788) 466; Global Excellence Communications Ltd v. Donald Duke (2007) 6 NWLR (Pt. 1059) 22. The interpretation that would serve the interest of the Constitution and best carries out its objects and purpose must always be preferred – Kalu v. State (1988) 13 NWLR 531.”
INTERPRETATION OF SECTION 82 CFRN 1999
In my view their power under the section is further circumscribed and limited by sub-section (2) of section 82. They can only invite members of the public when they want to gather facts for the purpose of enabling them make law or amend existing laws in respect of any matter within their legislative competence or as witnesses in a properly constituted inquiry under section 82(1)(b). Their power to expose corruption, inefficiency, or waste is also limited to government departments, authorities, and functionaries.
– Oguntade, JCA. El-Rufai v. House of Representatives (2003)