What remedies are available in the first instance?

Law No. 2012/001 of 19 April relating to theElectoral Code

Art.129: Objections or petitions relating to the rejection or acceptance ofcandidates, as well as those relating to the color, initials or emblem adoptedby a candidate may be brought before the Constitutional Council by anycandidate or political party taking part in the election or any person servingas a Government representative in the said election, within a maximum period of2 (two) days following the publication of the list of candidates.

Art. 167: The provisions of Sections 125, 126, 129,130 and 131 of this law relating to the nomination of candidates, disputes andcomplaints in respect of rejection or acceptance of candidatures as well asthose on color, initials or  emblemchosen by a candidate or list of candidates shall be applicable to the electionof Members of Parliament.

Link: http://www.elecam.cm/uploads/media/Electoral_Code_Fnl_.pdf