What are some essential documents to have on hand when entering the United States with your I-20 form?
Essential documents include a valid passport, visa, I-20 form, admission letter from the university, financial documentation, and any other paperwork requested by
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### Instruction:
What are some essential documents to have on hand when entering the United States with your I-20 form?

### Input: Not applicable

### Response:
Essential documents include a valid passport, visa, I-20 form, admission letter from the university, financial documentation, and any other paperwork requested by<|im_end|>