The UNECE Standard on Public-Private Partnerships/Concession Legal Framework in support of the SDGs and its accompanying guide establishes the legal framework for Public-Private Partnerships for the Sustainable Development Goals (PPPs for the SDGs) and the contracts that give effect to them in member States, including the rules and procedures governing their selection, preparation, appraisal, procurement and implementation, the contractual principles and institutional arrangements applicable to them, and assist in the orderly and coordinated delivery of PPPs