证明的时效性问题

tony6

对于5年前曾服务的一家公司的工作证明，去年开的，今年是否还能再用？大学教授的推荐信（我已工作8年），去年写的，今年还能用吗？请赐教。

chipmunk

Which program are you talking about? Why you need record of employment? Sorry to ask you this, I am just confused.

I think the rec letter from your professor is still good to use.

tony6

以下是引用chipmunk在2003-12-18 0:35:00的发言：
Which program are you talking about? Why you need record of employment? Sorry to ask you this, I am just confused.

I think the rec letter from your professor is still good to use.

我听别人说，办VISA的时候要用到工作证明包括收入情况，难道不用吗？