Indiana Code Title 16. Health § 16-42-22-6

Sec. 6. (a) Each written prescription issued by a practitioner must have two (2) signature lines printed at the bottom of the prescription form, one (1) of which must be signed by the practitioner for the prescription to be valid.  Under the blank line on the left side of the form must be printed the words “Dispense as written.”.  Under the blank line on the right side of the form must be printed the words “May substitute.”.

(b) Each electronically transmitted prescription issued by a practitioner must: