Who is issued this document Passport should be signed by the employee Citizenship and immigration services, will help you verify your employee's identity and employment authorization.
StayFoxx - Home
What is issuing authority on i9 form
You may use either common abbreviations for states, document titles or issuing authorities, such as “dl” for driver’s license and “ssa” for social security administration.
Make sure the document, issuing authority, document number and expiration date are all documented on the correct lines