Originally Posted by blackmamaba

I've been trying to use my Type-B vouchers for an international trip using both UA and CO metal, but all UA flight numbers.
I've talked to 6 different reservation agents over the phone over the last few days, and 5 of them told me outright that these cannot be used. Last one went to double check, as she saw some policy changes memo last week, and after several minutes told me that only e-certs can be used on CO metal, and paper vouchers are still limited to UA/UAX.