In AL-HASSAN V. ISHAKU (2016) 10 NWLR (PT. 1520) 230, this court per Peter-Odili, JSC in interpreting Section 87(9) of the Electoral Act, 2010 (as amended) at 281, Paras DH, held thus: “Indeed, this court has settled the matter in a plethora of judicial authorities that it is only candidate/aspirant at the primaries of a party that has the locus standi to complain about the conduct of such primaries and so, the grouse of the appellants have nothing to stand on as they are clearly interlopers in regard to how the 1st respondent emerged as candidate and also how, where and when the 2nd respondent produced its candidate. Therefore, no matter how loudly the appellants shout on the irregularity, impropriety of the primaries of the 1st and 2nd respondents, the noise will remain unheard and unattended to, coming from those whose voices ought not to be heard in the internal matters of another. I refer to the following cases for assistance being: Onuoha v. Okafor (1983) 14 NSCC 494, (1983) 2 SCNLR 244; Dalhatu v. Turaki (2003) 15 NWLR (Pt.843) 310; Ardo v. Nyako (2014) LPELR 22878 (SC), (2014) 10 NWLR (Pt. 1416) 591; Emeka v. Okadigbo (2012) 18 NWLR (Pt.1331) 55 at 88; PDP v. Sylva (2012) All FWLR (Pt.637) 606 at 654, (2012) 13 NWLR (Pt. 1316) 85.”
WHAT A PETITIONER WHO CONTESTS THE LEGALITY OF VOTES CAST IN AN ELECTION MUST DO
A petitioner who contests the legality or lawfulness of votes cast in an election and the subsequent result must tender in evidence all the necessary documents by way of forms and other documents used at the election. He should not stop there. He must call witnesses to testify to the illegality or unlawfulness of the votes cast and prove that the illegality or unlawfulness substantially affected the result of the election. The documents are amongst those in which the results of the votes are recorded. The witnesses are those who saw it all on the day of the election; not those who picked the evidence from an eye witness. No. They must be eye witnesses too. Both forms and witnesses are vital for contesting the legality or lawfulness of the votes cast and the subsequent result of the election. One cannot be a substitute for the other. It is not enough for the petitioner to tender only the documents. It is incumbent on him to lead evidence in respect of the wrong doings or irregularities both in the conduct of the election and the recording of the votes; wrong doings and irregularities which affected substantially the result of the election.
— Niki Tobi, JSC. Buhari v. INEC (2008) – SC 51/2008