should parents apply social security card after receving greenca

來源: mini_ok 於 2013-02-18 13:27:51 [舊帖] [給我悄悄話] 本文已被閱讀：次

My parents have TIN number for tax returns.Do they need social security numbers after they got their green card?

They do not need go to work in US since they already over 70 years old.

What's the benefit if they have the SSN?

Thanks in advance

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