英文催款函

dear sirs,

account no.****
as you are usually very prompt in settling your accounts, we wonder whether there is any special reason why we have not received payment of the above account, already a month overdue.
we think you may not have received the statement of account we sent you on **** showing the balance of $**** you owe. we sned you a copy and hope it may have your earl attention.

yours faithfully,
***

dear sirs,

account no.****
as you are usually very prompt in settling your accounts, we wonder whether there is any special reason why we have not received payment of the above account, already a month overdue.
we think you may not have received the statement of account we sent you on **** showing the balance of $**** you owe. we sned you a copy and hope it may have your earl attention.

yours faithfully,
***