The following options are available as frequency patterns for scheduled transactions. Each payment gateway will support only a subset of these options. Each gateway will also have some special rules for how they calculate the schedules. Notes on these rules can be found at the end of this document under the chapters for each gateway. Weekly: Every seven days starting on the start date.Bi-Weekly: Every two weeks starting on the start date.Twice A Month: Twice a month. Usually this is used with the start date of the first of the month. Payments will then come out on the 1st and 15th of the month.Monthly: Once a month on that day of the month established by the start date.Quarterly: Every three months on the same date as the first payment.Twice A Year: Every six months on the same date as the first payment.Yearly: Once a year on the same date as the first payment.