(http://news.bbcimg.co.uk/media/images/75306000/jpg/_75306515_line976.jpg) Who are Boko Haram militants? (http://news.bbcimg.co.uk/media/images/79767000/jpg/_79767802_022230272-1.jpg) Boko Haram leader Abubakar Shekau is the most wanted man in Nigeria
- Founded in 2002
- Initially focused on opposing Western education - Boko Haram means "Western education is forbidden" in the Hausa language
- Launched military operations in 2009 to create Islamic state
- Thousands killed, mostly in north-eastern Nigeria - also attacked police and UN headquarters in capital, Abuja
- Some three million people affected
- Declared terrorist group by US in 2013
Who are Boko Haram? (http://www.theinfostride.com/news/world-africa-13809501)
Profile: Boko Haram leader Abubakar Shekau (http://www.theinfostride.com/news/world-africa-18020349)
(http://news.bbcimg.co.uk/media/images/75306000/jpg/_75306515_line976.jpg) It stated that people could "transfer" their registration to where they were living but it also stated that they needed to vote where they were registered, Mr Dazzang said.
"We are concerned that the way the law is structured now, unless it is amended in very good time, some of them will be disenfranchised," he told BBC Focus on Africa.
Our reporter says the election is expected to be one of the most keenly fought since the end of military rule in 1999 - and that has prompted some warnings of potential violence.
Source: BBC