Originally Posted by PatrickTM

[MENTION=10056570]northinsouth[/MENTION] is correct. Here is the wiki stickied at the front of the 2022 thread:


Additional Collections/Split Tender -- THIS IS A LOOPHOLE. BE DISCREET

Quote:
TL;DR: Anything coded as an additional collection (a.k.a. add/collect or a/c), including difference in fare when changing flights, and accepting an FCM offer, also triggers the credit and will be reimbursed, provided that the amount charged to your card is $250 or less (regardless of card type, e.g. there have been reports of full $100 credit for Gold card on a/c over $100 and full $200 credit for Plat on a/c over $200, but always $250 or less -- exactly $250 is known to work)

Airline fee $250/$200 reimbursement reports: DL only (2022)