Section 1570.303 - Inspection of credential(a) Each person who has been issued or possesses a TWIC must present the TWIC for inspection upon a request from TSA, the Coast Guard, or other authorized DHS representative; an authorized representative of the National Transportation Safety Board; or a Federal, State, or local law enforcement officer.(b) Each person who has been issued or who possesses a TWIC must allow his or her TWIC to be read by a reader and must submit his or her reference biometric, such as a fingerprint, and any other required information, such as a PIN, to the reader, upon a request from TSA, the Coast Guard, other authorized DHS representative; or a Federal, State, or local law enforcement officer.