tax related question - parents visit

Can anyone help me on this: My parents will visit me from China. I heard if they stay over 180 days, I can get some tax benefit. Is it true? Do they have to be green card holders to get the benefit?
Thanks for your help!

所有跟帖： 

• Your parents could be your dependents in tax return if they stay -nmnm- ♀ (35 bytes) () 03/17/2010 postreply 06:54:22

• Thanks!Is it tax deduction or tax credit? -fainusa- ♂ (0 bytes) () 03/17/2010 postreply 10:13:45

• Deduction only, not credit. -poplar150- ♂ (0 bytes) () 03/17/2010 postreply 19:43:46

• It is over half year, 183 days. -needwait..- ♂ (27 bytes) () 03/17/2010 postreply 10:53:38

• Thanks all for the help! -fainusa- ♂ (0 bytes) () 03/18/2010 postreply 07:01:34

• 回複：tax related question - parents visit -myepc175- ♂ (49 bytes) () 04/06/2010 postreply 17:01:58