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While travelling, i carried my passport, all i-20s, EAD card and a letter from my employer saying I am on vacation and am expected to return to work the following week (this was also sent with the visa application). As I said, they did not look at all those documents when I came back to US.
I hope that helps.
REQUIREMENTS FOR TEMPORARY RESIDENT VISA APPLICANTS WITH TEMPORARY STATUS IN THE US
You must provide proof of lawful temporary status in the United States
If you are in the United States with temporary status, please provide:
- Your US Non-Immigrant Visa, (whether it is in your current passport or an expired passport)
- The original I-94 card issued by US authorities at the time of your entry into the US
If you are in the United States with B1/B2 status, please provide:
- Proof of ties to your country of usual residence.
This should include (but is not limited to):
- Proof of intention to return to that country (e.g.: airline tickets, travel itineraries),
- Proof of employment (e.g.: letter from employer, recent pay stubs, tax returns),
- Proof of studies (transcripts, letter from school) and
- Proof of funds (e.g.: bank records, property ownership documents).
(If you are visiting a family member in the US, you should also provide proof of that family member's lawful status in the US)
If you are in the United States with F-1 or M-1 status, please provide:
- Your original SEVIS I-20 form endorsed within the past 12 months by your student advisor for re-entry to the US and
- Proof of registration for the current term.
(If
you are now in the practical training phase, you should also submit
your employment authorization document and a letter from your employer
or other proof of current employment.)
If you are in the United States with H-1 status, please provide:
- Your original I-797 approval notice form and
- A letter from your employer or other proof of current employment.
If you are in the United States with J-1 status, please provide:
- Your original DS-2019
If you are in the United States and the holder of a blue-covered US Refugee Travel Document, please provide:
- A letter from your employer or other proof of current employment or,
- If you are a student, originals of your most recent transcript and proof of current enrolment
If you are in the United States with a diplomatic or official passport, please provide:
- Anote verbalefrom your office stating the purpose and duration of your travel to Canada