<p> Dear {$client_name}, </p> <p> This is a billing notice that your invoice no. {$invoice_num} which was generated on {$invoice_date_created} is now overdue. </p> <p> Your payment method is: {$invoice_payment_method} </p> <p> Invoice: {$invoice_num}<br /> Balance Due: {$invoice_balance}<br /> Due Date: {$invoice_date_due} </p> <p> You can login to your client area to view and pay the invoice at {$invoice_link} </p> <p> {$signature} </p>