I have a trip recently booked on through our corporate travel agent, which includes LH segments, AC segments, and an AC-codeshare/LH-operated segment. The ticket is 014-plated, and all segments show as T-fares on the invoice and on both AC and LH web sites. I have both AC and LH PNRs.

How can I determine fare class of the codeshare segment? Even LH's web site shows this flight as an AC flight, not recognizing that they actually are operating it.

Thanks.