COBS 14.2.11 Client Reporting
(a) In relation to a Client to whom the Client Money Rules are applicable, an Authorised Person conducting Investment Business must send a statement to a Retail Client at least monthly or in the case of a Professional Client or Market Counterparty, at other intervals as agreed in writing with the Professional Client or Market Counterparty.
(b) The statement must include:
(i) the Client's total Client Money balances held by the Authorised Person reported in the currency in which the Client Money is held, or the relevant exchange rate if not reported in the currency in which the Money is held;
(ii) the amount, date and value of each credit and debit paid into and out of the account since the previous statement; and
(iii) any interest earned or charged on the Client Account since the previous statement.
(c) The statement sent to the Client must be prepared within one calendar month of the statement date.