SECTION 1. Section twenty-one hundred and thirty-one of Act Numbered Twenty-seven hundred and eleven, known as the Revised Administrative Code, is hereby amended to read as follows:
"SEC. 2131. Provincial toll roads, bridges and ferries.—When the provincial board of any province shall deem such course to be necessary for the proper maintenance of any provincial road within the province, it may designate such road, or part thereof, or any bridge, or ferry built, or to be built or maintained as part thereof, as a toll road, bridge or ferry, and may fix the toll rates to be paid for the use thereof upon authorization by the Governor-General and the recommendation of the Secretary of Commerce and Communications in the case of roads, and in the case of bridges or ferries upon authorization and approval by the Secretary of Commerce and Communications: Provided, That the rates fixed shall not be subject to revision by the Public Service Commission."