Get StartedA Due on Demand Promissory Note specifies the terms, rights, and obligations that apply to a loan. The party making the loan is the "Lender" and the party borrowing the loan funds is the "Borrower." The Note includes provisions regarding the amount of the loan, the interest rate, and the date by which the loan must be repaid. It also includes other general provisions that are important in enforcing the payment of the loan.A Due on Demand Promissory Note is payable "on demand." In other words, payable immediately at the request of the Lender.