<Tr> <Td> Tristan da Cunha </Td> <Td> Permission required </Td> <Td> Permission to land required for 15 / 30 pounds sterling (yacht / ship passenger) for Tristan da Cunha Island or 20 pounds sterling for Gough Island, Inaccessible Island or Nightingale Islands . </Td> </Tr> <Tr> <Td> Sahrawi Arab Democratic Republic </Td> <Td> </Td> <Td> Undefined visa regime in the Western Sahara controlled territory . </Td> </Tr> <Tr> <Td> Somaliland </Td> <Td> Visa on arrival </Td> <Td> 30 days for 30 US dollars, payable on arrival . </Td> </Tr> <Tr> <Td> Sudan </Td> <Td> Travel permit required </Td> <Td> All foreigners traveling more than 25 kilometers outside of Khartoum must obtain a travel permit . </Td> </Tr>

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