Regulation 2
(1)
An installation logbook shall be maintained on every offshore installation at all times when the installation is in waters to which the Act applies:
Provided that in the case of a fixed installation under construction or in course of assembly or dismantlement it shall be sufficient compliance with this Regulation to maintain the installation logbook on an attendant vessel.
(2)
An installation logbook shall be maintained on an offshore installation notwithstanding that another logbook may be required to be maintained on it as a registered vessel.