23.Commentators also point out that Imprevision was applied on numerous other occasions by the Counseil d’Etat and other administrative courts. The problem with this ratio is that the Counseil d’Etat bases its decision on administrative law, whereas the civil and commercial courts are bound by the Napoleon code. Thus, their reasoning is completely different to, (and as put by the eminent French commentator Planiol when analyzing the ruling of the adminstrative courts in favor of rebus sic stantibus) the ruling of the other courts against it in the following words: "one should not compare these two rules, for the administrative tribunals are inspired solely by the necessity of assuring public service, and do not modify the contract except under such necessity. [6]