Not tax advice. Computation tools only. Have a professional review before filing.
openaccountants/skills/colorado-sales-tax.md
colorado-sales-tax.md52 lines1.9 KB
v20State
1---
2name: colorado-sales-tax
3description: Use this skill whenever asked about Colorado sales and use tax, home-rule cities, CDOR filings. Trigger on phrases like "Colorado sales tax", "CO sales tax", "CDOR", "home-rule city Colorado", "retail delivery fee". ALWAYS load us-sales-tax first.
4version: 2.0
5---
6 
7# Colorado Sales and Use Tax Skill v2.0
8 
9## Section 1 -- Quick reference
10 
11| Field | Value |
12|---|---|
13| Jurisdiction | Colorado |
14| State rate | 2.90% (lowest in the US) |
15| Maximum combined rate | ~11.2% (with home-rule city taxes) |
16| Sourcing | Destination-based (state); home-rule cities may differ |
17| Economic nexus | $100,000 in retail sales |
18| Tax authority | Colorado Department of Revenue (CDOR) |
19| Portal | https://www.colorado.gov/revenueonline |
20| SST member | Yes (associate) |
21| Home-rule cities | ~70+ self-administer their own sales tax |
22| Skill version | 2.0 |
23 
24**CRITICAL: ~70+ home-rule cities self-administer with different rates, rules, and exemptions. Denver, Aurora, Colorado Springs, Boulder are all home-rule.**
25 
26## Section 3 -- Transaction pattern library
27 
28| Pattern | Taxable? | Notes |
29|---|---|---|
30| General TPP | TAXABLE 2.9% + local | |
31| Clothing | TAXABLE | No exemption |
32| Grocery food (unprepared) | EXEMPT from state | Local may still tax food |
33| Prepared food | TAXABLE | |
34| SaaS | NOT TAXABLE | |
35| Canned software (download) | TAXABLE | |
36| Professional services | NOT TAXABLE | |
37| Manufacturing equipment | EXEMPT | |
38| Prescription drugs | EXEMPT | |
39| OTC drugs | EXEMPT | |
40| Resale | EXEMPT | |
41 
42## Section 10 -- Prohibitions
43 
44- NEVER ignore home-rule cities -- ~70+ cities self-administer with different rules.
45- NEVER treat SaaS as taxable in Colorado.
46- NEVER forget grocery food is exempt from STATE tax but local may still apply.
47- NEVER compute any number.
48 
49## Disclaimer
50 
51Informational only. Review by qualified professional required before filing.
52 

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Use this skill whenever asked about Colorado sales and use tax, home-rule cities, CDOR filings. Trigger on phrases like "Colorado sales tax", "CO sales tax", "CDOR", "home-rule city Colorado", "retail delivery fee". ALWAYS load us-sales-tax first.

US-COty-2025

1 of 2 in the US-CO workflow: