Rendering services is not subject to sales tax in Colorado. Examples of those rendering a service are lawyers, CPAs, technical support (no exchange of parts) or hair salons (excluding products). The service charge must be itemized separately on your invoice or bill to show that the service is nontaxable. If the labor is not separated on the bill, then the total purchase is taxable.
There are two exceptions:
The following services are TAXABLE:
Please see Publication FYI Sales 52, Special Regulation: Service Enterprises for more information.