Colorado State Tax Rulings
Free plain-English summaries of state tax letter rulings and advisory opinions issued in Colorado, with full citations and the original source on every page.
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Is a service contract bought together with rented office equipment taxable in Colorado?
It depends on whether it's a separate contract. If the equipment rental and the service contract are one bundled deal, the entire consideration is taxable unless the retailer gets Department permissio…
Are CCTV consulting and project-management fees taxable in Colorado, and can a company credit sales tax it paid another state on equipment it bought to resell to its client?
Consulting and project-management fees for a video-surveillance system are not taxable if they're genuinely separable from the equipment sale and separately stated on the invoice (the Department won't…
For short-term rentals of oilfield living quarters, water/sewer systems, generators, transportation, cleaning, and consumables, who owes Colorado tax and on what?
For rentals of three years or less, the lessor is treated as the end user: it owes sales or use tax on what it paid for the equipment (with credit for tax paid another state), rather than charging tax…
Are leases of dark (unlit) fiber-optic cable, and charges for 'lit' fiber, subject to Colorado sales or use tax?
It depends on the fiber. Leasing dark (unlit) fiber-optic cable is a taxable lease of tangible personal property if the cable keeps its identity as property and can be removed without significant dama…
Is crime-scene / biohazard property remediation (chemical wipe-downs, flooring removal, odor thermo-fogging) a taxable sale of property or a nontaxable service in Colorado?
It's a nontaxable service. Under Colorado's 'true object' test, crime-scene and biohazard remediation (chemical wipe-downs, removing flooring, thermo-fogging out odors) is primarily a service, not a s…
When a leased vehicle is first leased and taxed in another state and then moved to Colorado, does Colorado give the lessee a credit for the tax paid to that other state?
Yes — but only if the other state's tax legally fell on the lessee. When a vehicle is first leased and taxed in another state, then moved to Colorado, the lessee owes Colorado use tax at registration …
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These are official tax letter rulings and advisory opinions issued by Colorado's revenue authority in response to questions from specific taxpayers about how the tax law applies to their facts. A ruling is binding on the department only for the taxpayer who requested it and cannot be relied on by anyone else, but it is strong evidence of how the state reads the law. Every ruling above has a plain-English question and short answer, plus a link to the full original source.