Colorado taxes by industry, according to the North American Industry Classification System (NAICS), which replaced the U.S. Standard Industrial Classification (SIC) system.
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The Office of Legislative Legal Services edits, collates, and revises the laws enacted each session, with annotations, and prints them each year. Since 1997, the official set of statutes has been published each year in a softbound edition as well as an official CD-ROM edition. The Colorado Revised Statutes are also available on the Internet.