we we set Payment Due Notices to a date before Invoice Due Date, the email template has a phrases confusing to the clients . it need a condition to check if the date is before or after the Invoice Due Date .

the current text is :

This is the 2nd notice we have sent regarding invoice #PROFORMA-2243. It
was due on Dec 18, 2016 and is now past due. If you have recently
mailed in payment for this invoice, you can ignore this email.

normally it should be something like :

This is the 2nd notice we have sent regarding invoice #PROFORMA-2243. It's due on Dec 18, 2016 . If you have recently
mailed in payment for this invoice, you can ignore this email.