Service charge. (a) The Bank may levy a service charge at such rate as determined by the Bank for each check issued by the Customer and dishonoured by the Bank on account of insufficient funds in the Customer's account or any irregularities appearing on the check.
(b) The Bank may impose a handling fee for all returned checks, if applicable to a particular checking account, calculated on such basis as from time to time determined by the Bank on the aggregate payments drawn on such checking account which exceeds the daily limit as imposed by any relevant authorities from time to time.