An accounts receivable purchase agreement is a legally binding contract that governs the purchase of accounts receivable between parties in a specific location. To create a new accounts receivable item, click Add AR to this Contract.You will then need to complete the required fields to create a new AR. Explore Accounts Receivable Clerk salary ranges in San Antonio, TX to facilitate your next salary discussion. A receivables financing agreement is a type of financial transaction in which a business sells its accounts receivable (invoices) to a third party. We are currently negotiating a collection contract for student accounts receivable.