What documents do I need to have to re-enter the U.S. after traveling on OPT?
In order to re-enter the U.S. after traveling on OPT, you will need a valid travel signature on your I-20 form, a valid passport and visa, your EAD card, and a letter from your employer
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### Instruction:
What documents do I need to have to re-enter the U.S. after traveling on OPT?

### Input: Not applicable

### Response:
In order to re-enter the U.S. after traveling on OPT, you will need a valid travel signature on your I-20 form, a valid passport and visa, your EAD card, and a letter from your employer<|im_end|>