Section 40:991 - Prescription for controlled dangerous substances; proof of valid prescription; time period for raising defense; notice to prosecutionA. An individual who claims possession of a valid prescription for any controlled dangerous substance as a defense to a violation of the provisions of the Uniform Controlled Dangerous Substances Law shall have the obligation to produce sufficient proof of a valid prescription to the appropriate prosecuting office. Production of the original prescription bottle with the defendant's name, the pharmacist's name, and prescription number shall be sufficient proof of a valid prescription as provided for in this Section.B. As used in this Section, "controlled dangerous substance" shall have the same meaning as provided in R.S. 40:961 and "prescription" shall have the same meaning as provided in R.S. 40:961.C. Any individual who claims the defense of a valid prescription for any controlled dangerous substance shall raise this defense before commencement of the trial through a motion to quash.La. Public Health and Safety § 40:991