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openaccountants/skills/az-sales-tax.md

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az-sales-tax.md187 lines6.3 KB
v20Arizona
Not yet verified by an accountantContact accountant
1---
2name: az-sales-tax
3description: Use this skill whenever asked about Arizona sales tax, Arizona Transaction Privilege Tax (TPT), Arizona use tax, Arizona tax nexus, or any request involving Arizona state-level consumption taxes. Trigger on phrases like "Arizona sales tax", "AZ sales tax", "TPT", "Transaction Privilege Tax", "Arizona DOR", or any request involving Arizona TPT compliance. CRITICAL -- Arizona has a Transaction Privilege Tax on the SELLER, not a traditional sales tax. ALWAYS load us-sales-tax first.
4version: 2.0
5jurisdiction: US-AZ
6validation_status: ai-drafted-q3
7---
8 
9# Arizona Transaction Privilege Tax (TPT) Skill v2.0
10 
11## Section 1 -- Quick reference
12 
13| Field | Value |
14|---|---|
15| Jurisdiction | Arizona, United States |
16| Jurisdiction code | US-AZ |
17| Tax type | Transaction Privilege Tax (TPT) -- NOT a traditional sales tax; tax is on the SELLER |
18| State TPT rate | 5.6% (retail classification) |
19| Local add-on range | 0% -- 5.6% (city + county) |
20| Maximum combined rate | ~11.2% |
21| Sourcing | Origin-based for most TPT classifications |
22| Economic nexus | $100,000 in gross proceeds or gross income (revenue only) |
23| Primary legislation | A.R.S. Title 42, Chapter 5 |
24| Tax authority | Arizona Department of Revenue (ADOR) |
25| Filing portal | https://www.aztaxes.gov |
26| SST member | No |
27| Federal framework skill | us-sales-tax |
28| Skill version | 2.0 |
29 
30**CRITICAL: Arizona TPT is a tax on the privilege of doing business in Arizona, imposed on the SELLER. It is NOT a sales tax on the buyer, though sellers typically pass it through.**
31 
32---
33 
34## Section 2 -- Required inputs and refusal catalogue
35 
36### Required inputs
37 
38| # | Question | Why it matters |
39|---|----------|----------------|
40| 1 | Arizona TPT license number? | Required for filing |
41| 2 | Filing frequency? | Monthly, quarterly, annual |
42| 3 | Nexus type? | $100K threshold |
43| 4 | Business classification? | Different TPT rates by classification |
44| 5 | Contractor? | Prime contracting has special 65/35 split rules |
45| 6 | Sell into multiple cities? | City TPT rates vary significantly |
46 
47### Refusal catalogue
48 
49**R-AZ-1 -- Prime contracting classification.** 65/35 split between real property and materials is complex. Escalate.
50 
51---
52 
53## Section 3 -- Transaction pattern library
54 
55### 3.1 Retail classification (5.6% state)
56 
57| Pattern | Taxable? | Notes |
58|---|---|---|
59| General TPP | TAXABLE | Retail classification |
60| Clothing | TAXABLE | No exemption |
61| Grocery food (unprepared) | EXEMPT | A.R.S. §42-5061(A)(1) |
62| Prepared food | TAXABLE | |
63 
64### 3.2 SaaS and digital goods
65 
66| Pattern | Taxable? | Notes |
67|---|---|---|
68| Canned software (physical or download) | TAXABLE | TPP |
69| SaaS (cloud-hosted) | TAXABLE | Arizona treats SaaS as taxable |
70| Digital goods | TAXABLE | |
71 
72### 3.3 Services
73 
74| Pattern | Taxable? | Notes |
75|---|---|---|
76| Professional services | NOT TAXABLE | |
77| Job printing | TAXABLE | Separate classification |
78| Restaurants/bars | TAXABLE | Restaurant classification |
79| Transient lodging | TAXABLE | Transient lodging classification |
80| Personal property rental | TAXABLE | Rental classification |
81| Prime contracting | TAXABLE | 65/35 rule applies |
82 
83### 3.4 Exemptions
84 
85| Pattern | Status |
86|---|---|
87| Grocery food | EXEMPT |
88| Prescription drugs | EXEMPT |
89| Manufacturing machinery (directly in manufacturing) | EXEMPT |
90| Resale | EXEMPT |
91| Interstate commerce | EXEMPT |
92 
93---
94 
95## Section 4 -- Rate lookup
96 
97### 4.1 TPT classifications and state rates
98 
99| Classification | State rate |
100|---|---|
101| Retail | 5.6% |
102| Mining | 3.125% |
103| Utilities | 5.6% |
104| Telecommunications | 5.6% |
105| Transient lodging | 5.5% |
106| Restaurants/bars | 5.6% |
107| Contracting (prime) | 5.6% |
108| Rental of TPP | 5.6% |
109 
110---
111 
112## Section 5 -- Classification rules
113 
114### 5.1 TPT is on the seller
115 
116TPT is a privilege tax on the seller for conducting business. The buyer is NOT legally liable. Most sellers pass the amount through to buyers.
117 
118### 5.2 Model City Tax Code
119 
120Arizona cities adopt the Model City Tax Code with local modifications. City rates and exemptions can vary significantly.
121 
122---
123 
124## Section 6 -- Return form and filing
125 
126Filed via AZTaxes.gov. Single return covers state + county + city TPT.
127 
128---
129 
130## Section 7 -- Thresholds, penalties, and deadlines
131 
132### 7.1 Economic nexus
133 
134| Parameter | Value |
135|---|---|
136| Threshold | $100,000 in gross proceeds or gross income |
137| Transaction count | None |
138| Effective date | October 1, 2019 |
139 
140---
141 
142## Section 8 -- Edge cases
143 
144### EC1 -- Prime contracting
145 
146**Situation:** Contractor builds a house.
147**Resolution:** Prime contracting classification. 65% of contract price treated as real property improvement (not taxable); 35% treated as materials (taxable at TPT rate). Complex -- escalate.
148 
149---
150 
151## Section 9 -- Test suite
152 
153### Test 1 -- Retail sale in Phoenix
154 
155**Input:** $500 item. Combined rate: ~8.6%.
156**Expected:** Tax = ~$43.
157 
158### Test 2 -- Grocery food exempt
159 
160**Input:** $200 groceries.
161**Expected:** Tax = $0. Grocery food exempt in AZ.
162 
163---
164 
165## Section 10 -- Prohibitions
166 
167- NEVER call Arizona's tax a "sales tax" without noting it is a Transaction Privilege Tax on the SELLER.
168- NEVER forget that city TPT rates and exemptions can differ from the state.
169- NEVER apply destination-based sourcing for most TPT classifications -- Arizona is generally origin-based.
170- NEVER treat grocery food as taxable -- it is exempt in Arizona.
171- NEVER compute any number -- all arithmetic is handled by the deterministic engine, not Claude.
172 
173---
174 
175## Disclaimer
176 
177This skill is provided for informational and computational purposes only and does not constitute tax, legal, or financial advice. All outputs must be reviewed by a qualified professional before filing.
178 
179 
180---
181 
182## Disclaimer
183 
184This skill and its outputs are provided for informational and computational purposes only and do not constitute tax, legal, or financial advice. Open Accountants and its contributors accept no liability for any errors, omissions, or outcomes arising from the use of this skill. All outputs must be reviewed and signed off by a qualified professional (such as a CPA, EA, tax attorney, or equivalent licensed practitioner in your jurisdiction) before filing or acting upon.
185 
186The most up-to-date, verified version of this skill is maintained at [openaccountants.com](https://openaccountants.com). Log in to access the latest version, request a professional review from a licensed accountant, and track updates as tax law changes.
187 

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Q3: AI-drafted

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Use this skill whenever asked about Arizona sales tax, Arizona Transaction Privilege Tax (TPT), Arizona use tax, Arizona tax nexus, or any request involving Arizona state-level consumption taxes. Trigger on phrases like "Arizona sales tax", "AZ sales tax", "TPT", "Transaction Privilege Tax", "Arizona DOR", or any request involving Arizona TPT compliance. CRITICAL -- Arizona has a Transaction Privilege Tax on the SELLER, not a traditional sales tax. ALWAYS load us-sales-tax first.

US-AZty-2025

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