You have 180 days

來源: 於 2025-07-05 06:56:35 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

from sale to purchase, or from purchase to sale.  

Once you start the first sale or purchase, the 180 days clock starts. 

You can't stretch it out to one year.