Article 21 says elections shall be held by secret this
[DOC] [TLE] CONSTITUTION of the Republic of Cameroon - Constitution Finder [PAR] (3) The vote shall be equal and secret, and every citizen aged twenty years ... (3) 
The election shall be held not less than 20 (twenty) days and not more ... (5) The 
President of the Republic shall enact laws as provided for in Article 31 below.