(b) (1) If an authority is governed by articles of organization, only one commissioner of the authority may be an employee of the political subdivision.

(2) Otherwise, a commissioner of an authority may not be an employee of the political subdivision.

(c) A commissioner of an authority may not be an elected official of the political subdivision.

(d) This subtitle does not bar a tenant of a housing project or of property included or planned to be included in a housing project from being a commissioner of an authority.