## Changing a Customer Billing Day

You can change the customers billing date on customer's request. The customer billing date is being changed on Account basis (i.e., it affects all subscriptions associated with customer Account. Open the Business Director submenu, select Account Manager and click Accounts. The list of customer Accounts appears on the screen. Select the Account you need. As soon as the Account properties appear on the screen, click the Financial Info tab and select Edit. In the Billing day field, type the new billing date (the day of a month ranging from 1 to 31). Click Update to save changes.

If the billing day was set to 31st and there are only 30 days in the next billing month - customer will be billed on the last day of the next month - on 30th. If there are 31 days in the month - customer will be billed on 31st day.

A renewal Order will be generated in advance - before the Billing day. It is controlled by Notification Period set in the customer's Credit Terms.

A Subscription end date will be aligned according to the new Billing Day after 1-2 billing cycles (the billing cycle equals to one month, by default).

Traffic usage will be prorated. We assume that a customer consumes the monthly traffic evenly. We assume that customer was supposed to use (A/month) x (Monthly Traffic) of the network traffic up to the new billing date.

Monthly subscription fee also will be prorated. When customer signs up - he (or she) prepays the period B.

- After changing the billing day - on New Billing Day 1 - a customer will be charged the prorated fee (C/B) x (Subscription Fee) for the next period. If C is too short (C/B < ? month), then we immediately charge a customer for the next month.
- On the New Billing Day 1 Parallels Business Automation - Standard will generate the Invoice for the traffic over-usage occurred between Original Billing Date 0 and New Billing Day 1. We assume that customer was supposed to consume (A/month) x (Monthly Traffic).
- Then on New Billing Day 2 a customer will be charged the full subscription fee for the period the t corresponds to the New Billing day 2 and traffic over-usage occurred between New Billing Day 1 and New Billing day 2.

Application charges will be calculated in the same way as subscription fee.

- On the Original Billing Day 1 Parallels Business Automation - Standard will generate the invoice for the traffic over-usage occurred between Original Billing Day 0 and Original Billing Day 1. Also it will charge the customer's card prorated subscription fee: (F/D) x SubscriptionFee
- On the New Billing Day 2 Parallels Business Automation - Standard will generate the invoice for the traffic over-usage occurred between New Billing Date 2 and Original Billing Date 1. We assume that customer was supposed to consume (E/month) x MonthlyTraffic.
- On the New Billing Day 3 Parallels Business Automation - Standard will perform usual charges.

Application charges will be calculated in the same way as subscription fee.

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