Here is my understanding.

来源: 于 2011-12-19 14:34:48 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

人走茶凉

no, you can't spend after leaving.  but you are allowed one month after leaving to claim what you had spent before leaving.

your best bet is to check w/ HR of your previous employer for details.