The burden of proof of customary law is on the party asserting its existence. See Usibiafo v. Usibiafo (2005) 3 NWLR (Pt.913) 665 at 684; Sokwo v. Kpongbo (supra). It has been established through plethora of cases that it is extremely important that native law and custom must be pleaded and strictly proved by credible evidence. This case is not predicated on proof by the mode of judicial notice, but by proof of evidence.
— T. Akomolafe-Wilson, JCA. Alabi v Audu (2017) – CA/A/494/2014