Section 4
SEC. 4. Each bidder shall deposit, before his bid shall be considered in the competition, as an evidence of good faith, the sum of seventy-five thousand dollars, in money of the United States, in cash or certified check, with the Treasurer of the Archipelago. The deposits of unsuccessful bidders shall be returned to them immediately after the successful bidder has been determined according to law. The deposit of the successful bidder shall be retained and he shall add thereto one hundred thousand dollars, in money of the United States, to comply with paragraph twenty-two of the street-railway franchise. The one hundred and seventy-five thousand dollars thus deposited by the successful bidder may be changed into the form of interest paying securities, if approved by the Civil Governor, and shall be returned to the contractor in accordance with the terms of paragraph twenty-two of the first franchise and paragraph eleven of the second franchise.