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The Guidance Notes no. GD 03-2009 by China Classification Society. The Guidelines for Anticorrosion Inspection of Hull Structure have been developed in order to improve the effectiveness of the corrosion control of steel structure for vessels, extend the service life of such structures, and of course prevent any possible structural failures that may be caused by undue anticorrosion measures taken. The purpose of the Guidelines is to provide guidance for anticorrosive design, construction and inspection of ship's steel structures. The Guidelines provide operational guidance to the flag State Governments with regard to mandatory implementation of, or to the owners with regard to voluntary request for implementation of IMO technical requirements related to the protective coatings for specific spaces of ships. The Guidelines apply to the concerned design, construction and inspection of the coating application, sacrificial anodic protection, impressed current protection for ship's steel structures required by the CCS Rules and/or entrusted. The Guidelines are also references for steel structural anticorrosion of offshore installations, marine products and other industrial products.