Each PRESCRIBED ITEM
| K | must be on one and only one PRESCRIPTION |
| must be a prescription for one and only one GENERIC PRESCRIBABLE ITEM | |
| or must be a prescription of one and only one PROPRIETARY PRODUCT | |
| must be a prescription for one and only one PHARMACEUTICAL PRODUCT | |
| may be the dosage frequency for one and only one ACTIVITY FREQUENCY | |
| may be qualified by one or more UNIT OF MEASUREMENT |