Originally Posted by
Cat88L3
I'm not sure why, but I feel I recall reading somewhere on the Jetblue site that TB can't be used for pet fees
It could have been the JetBlue website:
"Using Travel Bank credits
JetBlue travel credits may be used toward JetBlue airfare and taxes, the air portion of a JetBlue Vacations package, change or cancellation fees and any applicable increase in airfare for changes."
Source:
https://www.jetblue.com/help/travel-bank-credits