Using E-Verify can be tricky, especially when you hire immigrants. Finding the appropriate terminology for the corresponding identification string is where many users find confusion.
A quick internet search will provide several resources. Here is a Helpful Site you can reference to ensure you are using the proper information from the immigrant documents.If you have additional questions, USCIS has a help team experienced with these types of documents. Local SHRM chapters and USCIS may offer webinars from time to time to enhance your knowledge in this area.