来源：
https://loyaltylobby.com/2022/10/18
/ihg-email-reminder-reach-elite-status-faster/
IHG managed to botch the instant Diamond with a fast track-offer and soon
retired it, although let those who signed up on time keep it.
不确定是否有登录成功的会员就真的有钻到年底
来源：
https://www.flyertalk.com/forum/34679793-post68.html
https://www.flyertalk.com/forum/34689244-post99.html
https://www.flyert.com/forum.php?mod=viewthread&tid=4295907&extra=page%3D1
新办大使和续大使可以延挑战钻石到明年底。
友善提醒：IHG仍然有直接ban帐号或者回溯的可能，并且大使开下去就不能退款。