|(a) A practitioner, as defined in the TCSA, §481.002(39)(A),
(C), and (D), may use prescription forms ordered through individual
sources or through an electronic prescription that includes the controlled
substances registration number issued by the board and meets all requirements
of the TCSA.
(b) If a written prescription form is to be used to
prescribe a controlled substance the dispensing practitioner must
be registered with the DEA under both state and federal law to prescribe