In any such case of annexation and consolidation, the board of chosen freeholders of the county wherein said municipalities are located may, by resolution, release and discharge said borough from any and all liability of said borough to said county for delinquent taxes and unpaid interest thereon due said county for county and State purposes whether the same shall have been assessed or not, and shall certify any such resolution to the said Division of Local Government and to said township and any such resolution shall be ineffective unless approved by the said Local Government Board.
N.J.S. § 40:43-64.2