| 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. |
| J | Just-in-time |
| 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 |
| ZZZ | Mutually defined Code reserved for special trading partner requirements when pre-defined codes do not exist. |