Sec. 2. Four (4) citizens who have resided at least two (2) years in the county contractual library district shall be appointed to a library board under IC 36-12-2-17. The four (4) members, and the members of the library board of the public library extending service, comprise a separate library board that shall exercise all powers and duties pertaining to library service. The library board of the county contractual public library shall be known and designated as the Board of Trustees of __________ County Contractual Public Library. The members of the library board of the public library extending service to the county shall continue:
(1) as a separate board; and
(2) to exercise all powers and duties pertaining to library service to the board's original library district.