657—21.1 (124,155A) Definitions. For the purpose of this chapter, the following definitions shall apply:
“Electronic signature” means a confidential personalized digital key, code, or number used for secure electronic data transmissions which identifies and authenticates the signatory.
“Electronic transmission” means the transmission of information in electronic form or the transmission of the exact visual image of a document by way of electronic equipment. “Electronic transmission” includes, but is not limited to, transmission by facsimile machine, transmission to a printer as provided in subrule 21.7(3), and transmission by computer link, modem, or other communication device.
“Prescription drug order”  or “prescription”  means a lawful order of a practitioner for a drug or device for a specific patient that is communicated to a pharmacy, regardless of whether the communication is oral, electronic, or in printed form.