Online Visa application and payment has been introduced.
Application and payment must be done at the following website of the Nigeria Immigration Service:

Nigeria Immigration Service (www.immigration.gov.ng)

Interview dates are each Mondays and Wednesdays from 9:30am - 11:30am.

CONDITIONS FOR ISSUING VISA

Short-time

Formal invitation letter (original)
Copy of inviter's certificate of incorporation
Copy of inviter's passport/resident permit
Original & copy of telegraphic advise issued
by the Comptroller General of Immigration
(For temporary work permit visa).
Bank statement / Dispatching letter
Hotel reservation
Possession of return air tickets
Copy of Passport Data Page
Online Visa Application Form
(one recent passport photograph)
Online Payment Slip