Final answer:
The Four-column ledger provides post reference items for tracking purposes to locate original transactions easier for clarification if needed.
Step-by-step explanation:
The format that provides post reference items for tracking purposes to locate original transactions easier for clarification if needed is the Four-column ledger.
This format allows for detailed tracking of transactions by organizing them into four columns: date, description, debit, and credit. The T-account format, on the other hand, is a summary format that does not provide as much detail for tracking purposes.