Final answer:
General ledger management is not traditionally part of the finance function; it's an accounting task. Finance activities typically include managing cash receipts, portfolio management, and credit management.
Step-by-step explanation:
The question asks which activity is not part of the finance function within a business or organization. Among the options provided, general ledger management is the activity that does not fall strictly under the finance function. While the general ledger is indeed an important component of the accounting system, overseeing the general ledger is typically an accounting task. The finance department uses information from the general ledger for financial analysis and decision-making, but it is not their role to manage it directly. Their duties are more focused on activities such as cash receipts, which involve tracking and managing incoming money, portfolio management, which entails managing an organization's investment portfolio, and credit management, which includes assessing the creditworthiness of customers and managing credit policies.