Where can proposals be signed?

Constitution ofthe Federal Republic of Nigeria 1999

(Adopted in 1999,last amended in 2011)

http://www.chr.up.ac.za/chr_old/indigenous/documents/Nigeria/Legislation/Constitution%20of%20Nigeria.pdf

ElectoralAct

(Enactedin 2010)

http://placng.org/Electoral%20Act%202010-%20as%20Gazetted.pdf

No regulation in this regards, thus it canbe anywhere.