TSA officials said that paying the fee does not guarantee verification, and travelers whose identities cannot be verified may be turned away.

REAL ID-compliant IDs are now needed to board federally regulated commercial aircrafts, and if you don't have one, a fee is in your future.

The TSA announced Monday that fliers who don't have an acceptable REAL ID or passport can pay a $45 fee and use Confirm.ID to verify their identities.

TSA officials said that paying the fee does not guarantee verification, and travelers whose identities cannot be verified may be turned away.