Per the Tariff rule/restrictions ALL Non-Refundable tickets, issued or reissued, must indicate the following in the endorsement box:
ENDORSEMENTS/RESTRICTIONS-
NONREF/CHGFEEPLUSFAREDIF/ CXL BY FLT TIME NOVALUE
Per the Tariff rule/restriction for Non-Refundable tickets “reissued” to a Refundable Fare the following rule applies:
Whenever a Non-refundable fare ticket is reissued to a refundable fare the non-refundable value of the exchanged ticket must be carried forth to the endorsement box of the new ticket and it will remain non-refundable for ANY subsequent reissues.
The following information must be indicated in the endorsement box:
ENDORSEMENTS/RESTRICTIONS-
NONREF