Section 2
SEC. 2. Where a construction contract entered into prior to the promulgation of this Decree, is based on payment to workers employed to carry out the contract, for wages and/or allowances lower than the amounts provided in this Decree, the owner or principal or client to the contract shall be responsible to compensate the contractor such difference for labor cost in the remaining work on the contract by a corresponding negotiated adjustment in value of the unaccomplished petition of the contract.