Within six months after the date of the appointment of the board, the owner or lessee of every existing conveyance shall register with the board and the administrator each such elevator, dumbwaiter, platform lift, and escalator, or device described in Section 25-13-1 owned and operated by the owner or lessee, giving the type, rated load and speed, name of manufacturer, its location and the purpose for which it is used, and such additional information as the administrator may require. Elevators, dumbwaiters, platform lifts, escalators, and moving walks, or other conveyances on which construction has begun subsequent to the date of the creation of the board shall be registered at the time they are completed and placed in service.