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Seafarers International Union Seafarers International Union
  • About
    • SIU Information
      • SIU Profile
      • SIU and Maritime History
      • Executive Board
      • SIU Forms
      • Upcoming Meetings
      • Disaster Aid Fund
      • Contact
    • Members
      • Member Login
      • Dependent Login
      • Hiring Halls
      • SIU Constitution
      • MLC Manual
      • Member Rights/LMRDA
      • Guide to Your Personal Finances
      • Address Change
    • Partners and Programs
      • Affiliated Unions
      • Union Plus
      • Maritime Trades Department
      • SARC
    • Upcoming Meeting
  • Benefits
  • News
    • Seafarers Log
      • Current Edition
      • Complete Seafarers Log Archive
      • Recent Seafarers Log Archive by Month
      • Subscribe
      • Submitting Stories
    • Labor/Maritime News
      • Latest Posts
      • News Archive by Month
      • CIVMAR News
      • Mobile News Network
    • Connect Online
      • Facebook
      • Twitter
      • Flickr
      • YouTube
    • Mobile News Network
  • Training and Careers
    • Jobs
      • Overview
      • Entry Program
      • The Seafarers Harry Lundeberg School of Seamanship
    • Paul Hall Center
      • Paul Hall Remembered
      • School History
      • School Catalog
      • Driving Directions
      • Memorial Brick
      • Sexual Misconduct Policy
    • Admissions
      • Apprentice Program Overview
      • Upgrading Application
      • Note to Upgraders
      • Contact Admissions
    • Courses
      • Course Dates
      • Deck Course Descriptions
      • Engine Course Descriptions
      • Steward Course Descriptions
      • Safety Course Descriptions
      • Tanker Course Descriptions
      • MSC Course Descriptions
      • Additional Courses
    • Memorial Brick
  • My Portal
    • Members
    • Company
    • Provider
    • Dependent

SIU Forms

Seafarers International Union / About / SIU Information / SIU Forms

Union Forms

  • SIU Membership App (pdf)
  • SIU Pledge Card (pdf)
  • Check-off Authorization – Inland (pdf)
  • Check-off Authorization – Military Vessel (pdf)
  • Check-off Authorization – Delinquent Dues Deduction(pdf)

Government Services Division

  • Government Services Division – Membership Application (pdf)
  • Form 1187 MSC (pdf)
  • Form 1187 ACOE (pdf)
  • Form 1187 NOAA (pdf)
  • Group Life Enrollment (pdf)
Seafarers International Union

OUR STORY

The Seafarers International Union, Atlantic, Gulf, Lakes and Inland Waters, AFL-CIO, represents professional United States merchant mariners sailing aboard U.S.-flag vessels in the deep sea, Great Lakes and inland trades. SIU members sail in the three shipboard departments: deck, engine and steward.

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LATEST POSTS

  • United States Trade Representative Announces Actions Following Section 301 Investigation
  • NMC ‘Homeport’ Permanently Offline
  • White House Issues Maritime Executive Order
  • U.S. Maritime Advisory 2025-006
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