I wonder it is correct.
I reminded my customers of their late payment was delayed.
I reminded my customers about that their payment was three months overdue.
I wonder both of them are correct.
I reminded my customers of their late payment .
I reminded my customers that their payment was three months overdue .
Good effort - Ian
I wonder it is correct.
I reminded my customers THAT their payment was delayed.
I reminded my customers THAT their payment was three months overdue.
OR
I reminded my customers OF their payment THAT was three months overdue.
I wonder both of them are correct. - SEE CORRECTIONS IN CAPITALS
I wonder it is correct.
I reminded my customers of their payment was delayed.
I reminded my customers about their payment was three months overdue.
I wonder both of them are correct.
I reminded my customers that their payment was three months overdue
OR
I reminded my customers about their payment, which was three months overdue
I AM A NATIVE ENGLISH SPEAKER AND THIS IS HOW PEOPLE IN ENGLAND SAY IT:
I wonder it is correct.
I WONDER IF IT IS CORRECT
I reminded my customers of their payment was delayed.
I REMINDED MY CUSTOMERS THAT THEIR PAYMENT WAS DELAYED
I reminded my customers about their payment was three months overdue.
I REMINDED MY CUSTOMERS THAT THEIR PAYMENT WAS THREE MONTHS OVERDUE
I wonder both of them are correct.