Final answer:
A mutual fund dealer must provide detailed performance reporting, including rates of return, changes in account value, and fees associated with the client's account, typically on a quarterly or annual basis.
Step-by-step explanation:
When it comes to account performance reporting for clients, a mutual fund dealer must provide detailed information that typically includes the account's investment performance over specific time periods. This should include rates of return and the change in the value of the investment. It is also essential to provide reports on fees and compensation that the dealer receives linked to the client's account to ensure transparency. These reports are usually provided on a quarterly or annual basis and help clients understand how their investments are performing.