CO SB187

Defines "fibrous waste" as roots, stalks, and stems from medical and retail marijuana plants, and "industrial fiber products" as non-consumable products made from fibrous waste including cordage, paper, fuel, textiles, bedding, insulation, construction materials, and compost.

Authorizes medical and retail marijuana licensees to transfer fibrous waste to other persons for producing industrial fiber products only, without altering the waste from its natural state.

Requires state licensing rules to establish conditions for fibrous waste transfers, including contract requirements stipulating use for industrial fiber products only, record-keeping, security measures for transport, and contamination handling procedures.

Takes effect January 1, 2019, unless a referendum petition is filed within 90 days after final adjournment, in which case approval by voters at the November 2018 general election is required.