Social visit visa (through a Brunei mission abroad)20 BND
Total20 BND
Compulsory government charges only. Service fees and anything optional are excluded, which is what makes the figure comparable.
Yellow fever certificate
Arriving from Kenya, a yellow fever certificate is required: WHO lists Kenya as a transmission risk.
Driving on a Kenya license
Kenya is party to the 1968 Vienna Convention and Brunei to the 1949 Geneva Convention. They share none, so no treaty obliges Brunei to recognize an International Driving Permit issued in Kenya.
Whether a permit is required alongside your national license is set by national road law, which we have not checked for this pair.
Brunei E-Arrival Card — The UK government says you must submit an e-arrival declaration form to enter Brunei, before you travel, as it may be requested at check-in, and that you do not need to complete it if you are not passing through immigration. The US Department of State says all travellers are required to obtain an E-Arrival Card registration approval before arrival by air, land and sea, that no payment is required for the registration, and that transit travellers are exempted.
No official source states a rule on: proof of funds.