Pursuant to the provisions of N.J.S.A. 40:55D-39 and 40:55D-65, every application for development submitted to the Planning Board shall he accompanied by proof that no taxes, any other outstanding fees due to the Borough which are due or delinquent on the property which is the subject of such application; or, if it is shown that taxes or assessments are delinquent on the property, any approvals or relief granted by either Board shall he conditioned upon either the prompt payment of such taxes or assessments or the making of adequate provision for the payment thereof in such manner that the municipality will be adequately protected.