A Sales Order is a non-posting transaction because it represents a commitment to sell goods or services and does not have a direct financial impact on the General Ledger (G/L) at the time of its creation. It is a preparatory document in the order-to-cash cycle. The financial impact occurs later in the process through subsequent posting transactions, such as an Item Fulfillment (which affects inventory and cost of goods sold) and an Invoice (which affects accounts receivable and revenue). The other options listed are all posting transactions that directly create G/L entries.

A. Return Receipts: This is a posting transaction that records the return of items into inventory, debiting an inventory asset account and crediting a cost of goods sold account.
B. Credit Memo: This is a posting transaction that reduces a customer's accounts receivable balance and typically debits a revenue or sales returns account.
D. Statement Charges: This is a posting transaction that directly increases a customer's accounts receivable balance and credits an income account.

1. NetSuite Help Center. (2023). SuiteAnswers: Posting and Non-Posting Transactions. Answer ID: 9911. Retrieved from NetSuite application.

Reference Point: The article explicitly categorizes transactions. It states, "Non-posting transactions, such as sales orders, purchase orders, and return authorizations, do not affect the G/L."

2. NetSuite Help Center. (2023). SuiteAnswers: Statement Charges. Answer ID: 26181. Retrieved from NetSuite application.

Reference Point: This document confirms that a statement charge is a posting transaction, stating it "posts to the customer's accounts receivable account."

3. NetSuite Help Center. (2023). SuiteAnswers: Customer Return Management. Answer ID: 21583. Retrieved from NetSuite application.

Reference Point: This article describes the G/L impact of both Return Receipts (Item Receipts) and Credit Memos, confirming they are posting transactions that affect inventory, COGS, and Accounts Receivable.