Free
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About
USW 4543 is the official mobile application of the United SteelWorkers, Local 4543. It provides USW 4543 members with a tool to connect with their union and stay on top of major events, learn about their rights in the workplace, download their contracts, and more.
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What's New in USW 4543
2.7.0
October 10, 2026
• Push notifications load faster and save your pushes from other devices. • Fixed: a message from someone else could briefly appear in the conversation you had open. • If your membership request wasn't approved, signing in now tells you so instead of showing a general error. • Bug fixes and performance improvements
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