Bill Already PAid in Full CA Template - Free download as Word Doc (. A loan agreement is a legal document between a creditor who lends money to a borrower that is repaid with interest.Are you looking for a loan agreement form in California? Download our free California Loan Agreement Form which is available as PDF or Word documents. A Loan Agreement is a document between a borrower and lender that details a loan repayment schedule. This program will help you write a letter that formally requests the money you are owed. This is called a Demand Letter. Have you recently settled a debt and are searching for a paid in full letter? Good news, we've got two free sample form letters below.