The councilmembers shall be residents and registered voters of the city. The councilmembers from wards shall be actual residents of their respective wards at the time of their candidacy and election; but removal of a councilmember from one ward to another within the city after his election, or a change in ward boundaries, shall not disqualify him from completing the term for which he was elected.
Okla. Stat. tit. 11, § 10-103