The literal meaning is - the signature is not required.
HOWEVER - not enough is known of the situation to make a complete answer.
WHAT is an "employment authorization card," WHO or WHAT is issuing it, and WHOSE signature is being "waived?"
Yes, you can use your employment authorization card as a form of identification to fly within the United States.
Visas are standard requirements for anyone entering a foreign country. It is therefore true that you will need a visa even if you have an authorization card.
It's on the back of the card, usually a three digit number located in the signature area.
Even though your petition has been approved you cannot applied for I-765 Employment Authorization because you don't have a visa number, which is the Alien Number, that will also be on your employment authorization card...
Yes, you can fly domestically within the United States with an Employment Authorization Document (EAD) card as a form of identification.
As long as you have a work authorization and social security card from Homeland Security. You must have a EAD "Employment Authorization Document" Card in hand and that will get you a SSI card with "Work Authorization Only" stamped on it. All of this comes when you have a Visa to immigrate to the US... Or find a employer who will sponsor you for a working Hl B Visa.
Somebody had to SIGN that authorization check at the bank for the signature
Yes, as a form of identification only. It will NOT get you back into the US if you do not have Advance Parole if you don't have your Green Card.
Yes, you can use your Employment Authorization Document (EAD) card to fly domestically within the United States as a form of identification.
To create an authorization letter for receiving your credit card, start by addressing the letter to the appropriate bank or credit card issuer. Include your full name, account number, and the recipient's name (the person you are authorizing). Clearly state that you authorize this person to collect your credit card on your behalf, and provide your signature along with the date. It's advisable to include a copy of your identification for verification purposes.
The proof of legal right to work required for employment is typically a document such as a Social Security card, birth certificate, or work authorization permit that shows an individual is legally allowed to work in the country.
If someone has a Resident Alien Card that says 'waived' it means when they received the card, they were too young to sign their name or be fingerprinted. The original cards, issued from 1977 to 1989, show no expiration date.