This document defines the general requirements and specifications for methanol at the point of custody transfer prior to any onboard required treatment for use as fuel in marine diesel engines, fuel cells and other marine applications. The specifications in this document can also be applied to methanol used as fuel in land-based diesel engines and fuel cells of the same or similar type as those used for marine purposes. In such instances, consultation of the original equipment manufacturer (OEM) should be considered. This document specifies three categories of methanol. For the purpose of this document, the term methanol comprises methanol from all forms of production.