§ 74. List of registered floats to be prepared. The corporation shall make a list of all floats to which New York state certificates of registry have been issued. This list shall be corrected at least once in each calendar year and a copy of such corrected list shall be filed in the office of each of the district engineers having supervision over portions of the canal system. The list shall be filed in the office of the corporation and shall be available to public inspection within regular office hours.