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How do I lookup my EID or TSU numbers?

This guide provides detailed information on how to find EID tag numbers or TSU numbers from your previous Allflex orders.  

Important tips:  Use the details from your packing slip or bag the tags arrived in.  If you cannot find any of this information, please contact our team, we would be glad to look it up for you.

Step 1 – Navigate to www.allflexusa.com and click “Tag Lookup”

**The next steps vary based on when your Tags or TSU units were purchased.

  • If purchased BEFORE December 1, 2021, you will immediately follow the prompts on the screen with assistance from the steps detailed below.
  • Otherwise, you will click on the statement that says: “Click here for orders placed AFTER December 1, 2021.” When the new screen appears, you will follow the prompts on that screen with assistance from the steps detailed below.

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Steps to Follow if Items were Purchased BEFORE December 1, 2021

Step 2 – Locate either an EID #, TSU #,  Master #, Case #, or Bag #, on labels and enter them individually. You may also enter multiple bag numbers. Hit “enter” between the bag numbers or copy and paste a list from a text or Excel file.

Step 3 – Click on “Search”

Step 4 – If needed scroll down to see the results. You can download your numbers by clicking on “Downloads” on the top right of the list of your tag or TSU numbers. After clicking on “Downloads,” the page will jump to the bottom of the list where you can click to select the file type format in which you would like your numbers to open or be saved to your computer - either as a comma-separated value (Text/CSV) or as an Excel spreadsheet (XLS).

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Steps to Follow if Items were Purchased AFTER December 1, 2021

Step 2 – Locate either an AIN, Management #, Registration #, Sales Order #, Case #, or Bag # and enter them individually in the correct field.

Step 3 – Click on “Search” 

Step 4 – If needed scroll down to see the results. You can download your numbers by clicking on “Downloads” on the top right of the list of your tag or TSU numbers. After clicking on “Downloads,” the page will jump to the bottom of the list where you can click “Download as Text/CSV” to open or save to your computer.