...final and conclusive on the parties hereto, subject only to appeal within 30 days by the contractor to the head of the department concerned or his duly authorized representative, whose denial on such appeal as to the facts of delay shall be final and conclusive, on the parties hereto....

...final and conclusive on the parties hereto, subject only to appeal, within 30 days, by the contractor to the head of the department concerned or his duly authorized representative, whoso decision on such appeal as to the facts of delay and the extension of time for making delivery...

...Contracting Officer subject to written appeal by the Contractors within 30 days to the Secretary of the Navy or his duly authorized representative, whose decision shall be final and conclusive. In the meantime the Contractors shall diligently proceed with the work as directed. LICENSES AND PERMITS...

...Contracting Officer subject to written appeal by the Contractors within 30 days to the Secretary of the Navy or his duly authorized representative, whose decision shall be final and conclusive. In the meantime the Contractors shall diligently proceed with the work as directed. LICENSES AND PERMITS...

...Contracting Officer subject to written appeal by the Contractors within 30 days to the Secretary of the Navy or his duly authorized representative, whose decision shall be final and conclusive. In the meantime the Contractors shall diligently proceed with the work as directed. LICENSES AND PERMITS...

...subject to written appeal by the contractor within thirty days to the head of the department concerned, whose decision shall be final and conclusive upon the parties thereto as to such questions of fact. In the meantime the contractor shall diligently proceed with the work as directed." The respondent...

...final and conclusive on the parties hereto, subject only to appeal within 30 days by the contractor to the head of the department concerned or his duly authorized representative, whose decision on such appeal as to the facts of delay shall be final and conclusive, on the parties hereto. As used...

...final and conclusive on the parties hereto, subject only to appeal within 30 days by the contractor to the head of the department concerned or his duly authorized representative, whose decision on such appeal as to the facts of delay shall be final and conclusive, on the parties hereto. As used...

...concerning questions of fact arising under this contract shall be decided by the contracting officer, subject to written appeal by the contractor within 30 days to the Secretary of the Treasury or his duly authorized representative, whose decision shall be final and...

...this contract, all disputes arising under this contract shall be decided by the Contracting Officer, subject to written appeal by the Contractor within 30 days to the Administrator, whose decision shall lie final and conclusive upon, the parties hereto. In the meantime,...