For the record, here are weight tax rates for cannabis in U.S. states as far as I know. I’m preserving the documents here, since the rates will change.
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California adjusts its marijuana tax rates for inflation. Here is a copy of the rates as of early 2020.
Flower, $9.65 per ounce; leaves, $2.87 per ounce; and fresh cannabis plant, $1.35 per ounce.[1] New categories can be created by regulation as needed.
[1] https://www.cdtfa.ca.gov/industry/cannabis.htm#Overview; copied at https://newrevenue.org/2020/02/19/california-marijuana-tax-rates-as-of-january-2020/.
https://www.cdtfa.ca.gov/industry/cannabis.htm#Overview
2020 January Tax Guide for Cannabis Businesses
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Here are Alaska’s rates, from http://tax.alaska.gov/programs/programs/help/faq/faq.aspx?60000, Average Market Rate for Unprocessed Retail Marijuana | Department of Revenue – Taxation:
“Effective January 1, 2019, sales and transfers of marijuana are subject to new tax rates. Mature bud/flower are taxed at $50 per ounces and trim is taxed at $15 per ounce. A new rate has been added at $25 per ounces for bud/flower that is considered immature or abnormal. This is bud/flower that did not fully mature or develop, contains seeds, or failed testing. Clones are taxed at a flat rate of $1 per clone and not on the estimated weight.”
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Here are Maine’s rates, from https://legislature.maine.gov/statutes/36/title36sec4923.html:
(Title 36, §4923: Excise tax imposed has a copy.)
[PL 2019, c. 231, Pt. B, §7 (NEW).]
[PL 2019, c. 231, Pt. B, §7 (NEW).]
[PL 2019, c. 231, Pt. B, §7 (NEW).]
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Here are Nevada’s, with fair market value to be multiplied by 15 percent:
As of 1-1-2019:
Click to access Marijuana-Fair-Market-Value-Jan-1-2019.pdf
Marijuana-Fair-Market-Value-Jan-1-2019
Here are newer rates: https://tax.nv.gov/uploadedFiles/taxnvgov/Content/Home/Features/Fair%20Market%20Value%20at%20Wholesale%20Summary%20Jan%2020%20(Final%20Draft).pdf
Fair Market Value at Wholesale Summary Jan 20 (Final Draft).
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Here are Colorado’s — 15 percent of the numbers below:
https://www.colorado.gov/pacific/tax/marijuana-AMR
Average Market Rate for Unprocessed Retail Marijuana | Department of Revenue – Taxation
Period Rate: January 1 to March 31, 2020
Retail Bud Rate | $1,316 per pound |
Retail Trim Rate | $350 per pound |
Retail Immature Plant Rate | $9 per plant |
Wet Whole Plant Rate | $191 per pound |
Seed Rate | $5 per seed |
Trim Allocated for Extraction Rate | $247 per pound |
Bud Allocated for Extraction Rate | $299 per pound |