Virginia constitution
Article II: franchise and officers
Section 5

(a) the General Assembly may impose more restrictive geographical residence requirements for election of its members, and may permit other governing bodies in the Commonwealth to impose more restrictive geographical residence requirements for election to such governing bodies, but no such requirements shall impair equal representation of the persons entitled to vote;
(b) the General Assembly may provide that residence in a local governmental unit is not required for election to designated elective offices in local governments, other than membership in the local governing body; and
(c) nothing in this Constitution shall limit the power of the General Assembly to prevent conflict of interests, dual officeholding, or other incompatible activities by elective or appointive officials of the Commonwealth or of any political subdivision.