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NAVIGATION AND VESSEL INSPECTION CIRCULAR NO. 01-23: Guidance for the voluntary use of MARPOL electronic record books on U.S. flag vessels

Aug. 18, 2023

The Coast Guard has published Navigation and Vessel Inspection Circular (NVIC) 01-23, Guidance for the voluntary use of MARPOL electronic record books On U.S. Flag Vessels.

NVIC 01-23 provides guidance to owners and operators of U.S. flagged vessels who may be interested in voluntarily using MAROL electronic record books, including the U.S. Coast Guard’s process and criteria for assessing, accepting, and verifying onboard electronic record books under the amendments to MARPOL Annexes I, II, V and VI and the Technical Code on Control of Emission of Nitrogen Oxides from Marine Diesel Engines (NOx Technical Code 2008).

This NVIC is available on the Coast Guard NVICs website.

Vessel owners and other interested parties should contact the Office of Design and Engineering Standards (CG-ENG) at with any questions or feedback.


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This blog is not a replacement or substitute for the formal posting of regulations and updates or existing processes for receiving formal feedback of the same. Links provided on this blog will direct the reader to official publications, such as the Federal Register, Homeport and the Code of Federal Regulations. These publications remain the official source for regulatory information published by the Coast Guard.