IOU

This is XX (borrower, preferably indicate ID number and unit) to classmate XX (you) on 23rd November 2004 (It is best to state the ID number, unit) and borrow 50,000.00 (five thousand yuan) in cash. (If the other party has an approximate repayment period, ask him to indicate when he will repay it)

Borrower: XX (signature or seal)

Witness: XX (preferably (A third person is present)

The IOU is made in triplicate, one for each person.

It is best to print it on a computer (signature is handwritten or stamped) to prevent alteration.