刚刚收到 I-129 的Approval Notice. 第一次见到 I-797B, 以前在美国从 F-1 转 H-1B （没离开美国）都是 I-797A. 有些问题：
I am currently in Canada with Canadian permanent residence.
1. Is I-797B the right Approval Notice for a foreign worker outside the US and requiring a visa to enter the US? Not I-797A？
2. it says
Notice Type: Approval Notice
Class: H1B
Valid from 08/01/2015 to 7/31/2018
Consulate:
POE: Toronto, Canada
The above petition has been approved. Since the petition indicates that the foreign workers will not require a visa to enter the U.S., we notified the listed port of entry or pre-flight inspection office. You may also send the tear-off bottom part of this notice to the worker(s) to show the approval. However, THIS FORM IS NOT A VISA AND MAY NOT BE USED IN PLACE OF A VISA for persons requiring a visa.
The tear-off bottom part is like=>
----------------------------------------------------------------------------------------------------------------------------------
The alien may use this portion when applying for a visa at an American consulate abroad, or if no visa is required, when applying for admission to the U.S.
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Name DOB COB Class Consulate/POE OCC
??? ??? CHINA, H1B TOR ???
Questions:
2-1. Do I need to go to the US consulate in Toronto to apply for H1B visa, or I can go to Toronto international airport and show this notice to the border and protection office of the US to get the admission to US?
2-2. I am not sure about the meaning of the second sentence of the body paragraph (in blue). Currently I have B1/B2 valid for 10 years from March 2015, but it is not H1B at all. I have not had H1B in the past 8 years.
2-3: Why in the upper portion, the Consulate is BLANK, and the POE is Toronto, Canada? Does it imply I will go to POE Toronto direclty without having to go to the US consulate in Toronto to get an H1B visa first?
2-4. I don't understand why it says in the blue part that the petition indicates that the foreign workers will not require a visa to enter the U.S. I have not told my HR that.
非常感谢所有的解答。谢谢！