Original, signed United Kingdom passport with at least 6 months of remaining validity.
Passport-type photographs: 3
Itinerary. Copy of round trip tickets or itinerary.
Yellow Fever Vaccination. Copy of International Certificate of Vaccination for Yellow Fever.
HIV Test. Copy of recent HIV test results performed within the last 3 months.
Employment Letter. A letter from your employer/school (on business letterhead, with contact details), stating that a leave of absence has been granted and that you will be returning to your current job. If you are self-employed, include a copy of your business license and tax return. If you are retired please submit proof of your retirement fund.
Business Letter. Business letter from the host company in Sudan explaining the purpose of the trip, dates of travel and guaranteeing sufficient funds.