|  A | Annually (calendar year) Code defining a yearly forecast.  | 
|  B | Continuous Flexible frequency scheduling based on continuous consumption of items.  | 
|  C | Synchronous Flexible frequency scheduling based on synchronous consumption of items.  | 
|  D | Discrete Flexible frequency according to planning process.  | 
|  E | Replenishment Flexible frequency scheduling based on replenishment of the consumption of items.  | 
|  F | Flexible interval (from date X through date Y) Code defining a forecasted usage that is planned between two defined dates.  | 
|  G | Ten days Ten day interval.  | 
|  H | Semi-monthly Half month interval.  | 
|  J | Just-in-time Scheduling based on just-in-time of the need.  | 
|  M | Monthly (calendar months) Code defining a forecast by calendar month(s).  | 
|  Q | Quarterly (calendar quarters) Code defining a forecast by calendar quarter(s). (Jan- Mar, Apr-Jun, Jul-Sep, Oct-Dec).  | 
|  S | Semi-annually (calendar year) Code defining a forecast for the first six months of the year or the second six months of the year.  | 
|  T | Four week period (13 periods per year) Code defining a forecast for four week intervals.  | 
|  W | Weekly Code defining a forecast for weekly intervals.  | 
|  Y | Daily Code defining a schedule by day.  | 
|  ZZZ | Mutually defined Code reserved for special trading partner requirements when pre-defined codes do not exist.  |