1- define the multiplicity (Min...Max)

2- name the association

3- name the multiplicity (ex: many to many, one to many... )

Here are our payment policies: 1. Customers have two weeks to pay for a sale/shipment. We don't require a down payment. 2. We allow installments. 3. Customers often pay in advance; i.e., they pay now and we ship the goods to them later. 4. The same cash receipt can pay for multiple sales/shipments. Here are our payment policies: 1. Customers have two weeks to pay for a sale/shipment. We don't require a down payment. 2. We allow installments. 3. Customers often pay in advance; i.e., they pay now and we ship the goods to them later. 4. The same cash receipt can pay for multiple sales/shipments