Electronic Export Manifest (EEM) – Ocean 350 Implementation Guide Update

U.S. Customs and Border Protection has updated the Electronic Export Manifest (EEM) [ https://www.cbp.gov/trade/automated/how-to-use-ace/export-manifest ] ACE Exports Ocean X12- 350 Customs Status Information Implementation Guide. 
Change: 
 * The requirement for M7A02 (Seal Number) in the M7 Segment – Seal Number Replacement has been changed from Mandatory to Optional. The change is now available in PROD. 
For questions: 
 * Technical inquiries should be directed to your assigned CBP Client Representative. 
 * Policy inquiries may be submitted to cbpexportmanifest@cbp.dhs.gov.