Contracting Authorities may at first resist the idea of granting change in law protection to Private Partners which is unavailable to other businesses and investors in the same country on the basis that it seems preferential and those other parties appear to accept and manage the risk. However, as described above and set out in more detail below, there are a number of reasons why such protection is justifiable in PPP procurement where the key aim is to procure long term private sector financing for infrastructure, including from international participants.