A business letter of responsibility (
sample) is required, to be typewritten on your company letterhead and addressed to:
Embassy of Cameroon, Visa Section, Washington DC
The letter must explain all of the following:
Nature of business to be performed
Name and address of reference to be visited
This letter should request Multiple Entries visa if required
In addition the letter must indicate the length of stay, place of stay and the hosts name and contact information
Guarantee of return transportation and sufficient funds for the visit
The letter should be signed by an officer of the company other than the applicant.