S.L. 601.9 Art. 93Disputes on modifications.

(1) Disputes on whether a particular task forms part of the concession contract or else constitutes a modification to the original concession between the contracting authority or the contracting entity and the concessionaire shall not delay or suspend the continuation of the concession contract, however, the concessionaire shall have the right to assert his claim before of any court or tribunal against the contracting authority or the contracting entity to receive additional payment for that task if it results that it does not form part of the original concession contract.

(2) Such action for additional compensation by the concessionaire shall be barred by prescription on the lapse of two years to be reckoned from the day when the concessionaire becomes aware or could have become aware of that task. Termination of Concession Contracts