Registration of foreign nationals is governed by the Kenya Citizenship and Immigration Act of 2011 Part VII (56) 2 Laws of Kenya. The Law requires that all foreigners resident within Kenya for a period exceeding 90 days be registered.Part 1 of the newly enacted Kenya Citizenship and Immigration Act 2011 defines a foreign national as any person who is not a citizen of Kenya. A foreign national's registration certificate shall be valid for a period not exceeding two (2) years. In case of a permanent residence permit holder, the certificate shall not exceed three (3) years. .