(c) Request for identification —(1) In general . If TSA has not informed the covered aircraft operator of the results of watch list matching for an individual by the time the individual attempts to check in, or informs the covered aircraft operator that an individual has been placed in inhibited status, the aircraft operator must request from the individual a verifying identity document pursuant to procedures in its security program., as provided in 49 CFR part 1544, subpart B or 49 CFR part 1546, subpart B. The individual must present a verifying identity document to the covered aircraft operator at the airport.
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(d) Failure to obtain identification . If a passenger or non-traveling individual does not present a verifying identity document when requested by the covered aircraft operator, in order to comply with paragraph (c) of this section, the covered aircraft operator must not issue a boarding pass or give authorization to enter a sterile area to that individual and must not allow that individual to board an aircraft or enter a sterile area, unless otherwise authorized by TSA.