Is the 30 day rule still in effect between Canada and US?

I have a valid H1b approval notice. If I visit Canada only and come back in 30 days, I don't need a visa stamp from USA. Is it correct?

Thanks,

所有跟帖： 

• 回複：Is the 30 day rule still in effect between Canada and US? -pjiang- ♀ (164 bytes) () 06/30/2009 postreply 10:46:32

• it is better to apply visitor visa to go to Canada -saltlakecccc- ♂ (26 bytes) () 06/30/2009 postreply 19:31:09