Sample Contract for Friendship Lending Money Get the borrower’s personal and contact information such as address, date of birth, social security number and/or driver’s license number. Make sure the lending money contract includes these details. Loan Amounts – There is no minimum amount of money to lend to friends. If the friendship sours before you collect, the loan agreement serves as the legal proof you need that the money you provided was not a gift and your friend intended to repay the funds. Without a loan agreement, people can find themselves on the short end of the collection stick.