H1B extension: 1 year or 3 years?

Situation: First 3 year H1B till September 30, 2008.
I-140 Pending
I-485 pending

Can I extend three years or only one year?

Thanks.

所有跟帖： 

• 3 - 回复：H1B extension: 1 year or 3 years? -pjiang- ♀ (0 bytes) () 03/31/2008 postreply 14:36:37

• 回复：3 - 回复：H1B extension: 1 year or 3 years? -longlake0226- ♂ (0 bytes) () 03/31/2008 postreply 14:43:56

• 3 years if the visa number is not available -4680- ♂ (0 bytes) () 03/31/2008 postreply 14:38:13

• When H-1 is within 6 yr, nothing to do with AC21 - 回复：3 years if -pjiang- ♀ (0 bytes) () 03/31/2008 postreply 14:39:29

• I see, thanks! -4680- ♂ (0 bytes) () 03/31/2008 postreply 14:42:27