Why is it important for students to keep the receipt of their SEVIS fee payment safe?
The receipt serves as proof of payment for the visa application process and entry into the United States.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Why is it important for students to keep the receipt of their SEVIS fee payment safe?

### Input: Not applicable

### Response:
The receipt serves as proof of payment for the visa application process and entry into the United States.<|im_end|>