Louisiana Revised Statutes — Title 47 (Revenue and Taxation)
La. R.S. 47:2601 — Imposition of tax
There is hereby levied a tax upon dealers of marijuana and controlled dangerous substances, as defined herein, within the state of Louisiana, according to the classification and rates hereinafter set forth:
(1) Marijuana. Upon each gram of marijuana, or each portion of a gram, a tax of three dollars and fifty cents.
(2) Controlled dangerous substances. (a) Upon each gram of controlled dangerous substance, or portion of a gram, a tax of two hundred dollars.
(b) Upon each ten dosage units of a controlled dangerous substance that is not sold by weight, or portion thereof, a tax of four hundred dollars.
Source: official text