Dear [CustomerName],
This is the second billing notice that your invoice no. [InvoiceNo] which was generated on [InvoiceDate] is now overdue.
Your payment method is: [PaymentMethod]
Invoice: [InvoiceNo] Balance Due: [Balance] Due Date: [DueDate]
You can login to your client area to view and pay the invoice at [InvoiceLink]
Your login details are as follows:
Email Address: [CustomerEmail] Password: [CAPassword]
[Signature]
This is the third and final billing notice that your invoice no. [InvoiceNo] which was generated on [InvoiceDate] is now overdue. Failure to make payment will result in account suspension.