Personal Property Security Agreement. Are you looking for a loan agreement form in Washington?Download our free Washington Loan Agreement Form which is available as PDF or Word documents. This collateral agreement template is what you need to secure an item of value as collateral for monetary debt. The final notice and warning shall identify whether the coverage to be purchased is vendor single interest or collateral protection coverage. Use our free payment plan agreement form to spell out all the terms and conditions of a loan if you need to establish a payment schedule with someone. The consideration involved in a collateral contract is essentially a guarantee that both parties will enter and uphold the original contract. What does a Loan Agreement include?