Section 24.36.01.402 - FILLING PRESCRIPTION DRUG ORDERS: PRACTICE LIMITATIONS01.Drug Product Selection. Drug product selection is allowed only between therapeutic equivalent drugs. If a prescriber orders by any means that a brand name drug must be dispensed, then no drug product selection is permitted.02.Partial Filling. A prescription drug order may be partially filled within the limits of federal law. The total quantity dispensed in partial fillings must not exceed the total quantity prescribed.03.Refill Authorization. A prescription drug order may be refilled when permitted by state and federal law and as specifically authorized by the prescriber. A pharmacist may also refill a prescription for a non-controlled drug to ensure continuity of care.Idaho Admin. Code r. 24.36.01.402