1. Except as otherwise provided in NRS 453.256, no pharmacy may deliver a controlled substance or dangerous drug for a specific patient to a hospital, recovery center, facility for intermediate care or facility for skilled nursing which is licensed as such by the Health Care Purchasing and Compliance Division of the Nevada Health Authority which does not have a pharmacy on the premises except pursuant to a prescription given:
(a) Directly from the prescribing practitioner to a pharmacist;
(b) Indirectly by means of an order signed by the prescribing practitioner; or
(c) By an oral order transmitted by an agent of the prescribing practitioner.
2. If an order for entry on a chart is given by a prescribing practitioner, the chart order must be signed by the practitioner who authorized the administration of the drug within 48 hours after the order is given by that practitioner.