Harbor Maintenance Fee (HMF) is exempt on an Entry Summary line when the Mode Of Transportation (MOT) is either 10, 11, or 12.

CSMS #47138649 - Harbor Maintenance Fee (HMF) is exempt on an Entry Summary line when the Mode Of Transportation (MOT) is either 10, 11, or 12. U.S. Customs and Border Protection sent this bulletin at 04/22/2021 03:08 PM EDT CSMS #47138649 - Harbor Maintenance Fee (HMF) is exempt on an Entry Summary line when the Mode Of Transportation (MOT) is either 10, 11, or 12. The following was Updated to ACE Production on 3/27/21: A Harbor Maintenance Fee (HMF) is exempt on an Entry Summary line (when MOT 10, 11, or 12) when the article is classified under some HTS chapter 98 provisions. Chapter 9808 has been added to that list. The HTS chapter 98 provisions that exempt the HMF are now 9804, 9805, 9806, 9807, 9808, and 9809. Questions or concerns should be directed to Entry Summary, Accounts & Revenue Division (ESAR) at esar@cbp.dhs.gov.