Each billing period at CCBill is one week in length. A new period begins every Sunday, with the period ending the following Saturday. All transactions that occur within this period will be processed and payment will be out within seven days following the close of the period.
The Accounting feature can generate billing periods every week, every two weeks, twice per month, once per month, or once per quarter. You can also specify the start date and end date of each billing period manually.
The number of days that credit card companies use to calculate the interest you owe on your credit card balance. This is typically 30 days, but there are some credit cards that have shorter billing periods.