RULES FOR BUILDING AND CLASSING MOBILE OFFSHORE DRILLING UNITS 2017 Guide to Color Coding Used in Online Version of the Rules The following summarizes the colors corresponding to Rule Changes, Corrigenda items and editorial changes in the Rules files which are available for download. Rule Changes: Changes effective 1 January 2017 Corrigenda: CORRIGENDA/EDITORIALS 1 February 2017 Editorials: Editorial Changes
