Final answer:
The IC and IA in sales orders and shipping notices stand for item code and item amount, respectively. The IC is a unique code assigned to each item being ordered or shipped, and the IA represents the quantity or amount of each item.
Step-by-step explanation:
The IC and IA in sales orders and shipping notices stand for item code and item amount, respectively. In the context of sales orders, the IC refers to a unique code assigned to each item being ordered. It helps in accurately identifying and tracking the items throughout the order fulfillment process.
The IA in sales orders refers to the quantity or amount of each item that is being ordered. It represents the number of units or the total value of the item being requested by the customer. Similarly, in shipping notices, the IC represents the unique code assigned to each item being shipped, while the IA represents the quantity or amount of each item being shipped.