A.
The Planning Board shall require, as a condition of preliminary subdivision or site plan approvals, that the developer pay its pro rata share of the costs of providing only necessary street improvements and water, sewerage and drainage facilities, and easements therefor, located outside the property limits of the subdivision or development but necessitated or required by construction or improvements within such subdivision or development, including acquisition of any necessary properties or easements by way of eminent domain or otherwise, and all costs attendant thereto, such as but not limited to eminent domain award, damages, counsel fees, condemnation Commissioner's costs, etc. Such contribution for a developer's pro rata share shall be based on circulation and comprehensive utility service plans pursuant to the Municipal Master Plan.
B.
Each subdivision or site plan requiring authorization by the Planning Board shall be subject to a determination and findings that certain off-tract improvements are or are not necessary to implement the subdivision or site plan.