Our ref: Invoice no.J5/645/66
Dear Mr Diana ,
I am writing with reference to invoice no.J5/645/66 for 6.000€ that the invoice has still not been paid. Given your previous record of prompt payment, we were surprised at this delay. We appreciate that this delay may be due to a mistake at the bank or in your payment system. In any case, please could you look into the problem and inform us of the reason for the delay.
We would appreciate it if you could give this matter immediate attention and send us the payment by bank transfer.
Please find attached a copy of the original invoice for your reference.
We look forward to hearing from you soon.
Best regards
Attention:
ResponderEliminar1) Dear Mr or Mrs?
2) Just mention the surname, not the name.
3) "I am writing with reference to invoice no.J5/645/66 for 6.000€. We have notices from our records that the invoice has still not been paid."
4) End your e-mail with your full name.
Keep working! ;)