Mandatory (MSS)
This category includes signs that are required to be used on vessels, marine terminals as well as in areas of marine leisure to inform passengers, crew or in the public of actions or equipment that are mandatory. The signs are in accordance with IMO Resolution A.1116(30), ISO 7010 and ISO 24409. This category also includes older signage that can still be used for vessels built before January 1, 2019 until they undergo repairs, alterations, modifications and outfitting as per the A.1116(30) regulation.
