The law is trite and well settled too, that a Court becomes functus officio in respect of a matter once it has concluded, accomplished or fulfilled its function in respect to that matter. It thereupon lacks potency to review, reopen, or revisit the matter, as it is thereupon bereft of Jurisdiction to reopen the issue except perhaps in proceedings such as in relation to abuse of Court process. See Ukachukwu vs UBA (2005) 18 NWLR (pt 956)1; Anyaegbunam vs AG Anambra State (2001) 6 NWLR (pt. 710) 532; Mohammed v Husseini (1998)14 NWLR (pt. 584) 108; First Bank of Nigeria Plc vs TSA Industries Ltd (2010) 15 NWLR (pt. 1216) 247.
— A. Sanusi, JSC. FRN v Maishanu (2019) – SC.51/2015