For example, you need to identify who the lender and borrower is, and you need to know the terms and conditions of your loan, for example. B how much money you lend and what are your repayment expectations. Yes, you can write a personal credit agreement between members of your family. It is important to follow contractual formalities to hold both parties accountable. If there is a dispute, it will be difficult to prove the terms of your agreement without a formal contract. If you`ve already borrowed money and are having trouble collecting payments, read How to Collect Personal Debts from a Friend, Family Member, or Business. sets out all the terms and details of the loan, including the names and addresses of the borrower and the lender, the amount borrowed, the number of payments, the amount of payments and the signatures of the parties. . . .