The following designation(s) will appear in the Emissions column of each engine for boats rating offered to identify the emissions level of the engine and the regulation that the engine will be certified to or compliant with once placed on the market: N/A - Rating is not compliant with or not applicable to current regulations IMO - Regulation 13 to Annex VI of MARPOL 73/78 EPA2 - EPA Tier 2 and IMO EC - Nonroad Mobile Machinery Directive and IMOCertain ratings may not be available for sale in some areasdue to emissions compliance. Other local certifications maybe available. For more information on current emissions regulations in your area, contact your local Cummins professional. 7