For emerging fuel cell technologies currently under development or types not listed, consideration may be given on a case by case basis.

This Guide is intended for the design, installation, and survey of fuel cells power systems. This covers fuel cells, fuel reformers, fuel stacks, modules, fuel systems, storage systems, preparation rooms, safety systems, monitoring control, testing, certification, etc.

In addition to the requirements listed in this guide, designs of liquid fuel systems with flashpoints above 60°C are to adhere to Part 4, Chapter 6 of the Marine Vessel Rules. Liquid fuel systems with a low flashpoint equal to or below 60°C and gaseous fuels are to be designed in accordance with appropriate requirements in Part 5C, Chapter 13 of the Marine Vessel Rules.