Illinois Sales Tax

Q: What is a Claude Code skill and how does the Illinois Sales Tax skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Illinois Sales Tax is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Sales category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Sales · Sub-category: sales-misc · Last updated: 2026-10-25

Use this skill whenever asked about Illinois sales and use tax, Retailers' Occupation Tax (ROT), Illinois use tax, Service Occupation Tax, IDOR filings, Illinois exemptions, Illinois nexus, or any request involving Illinois state sales and use tax compliance. Trigger on phrases like \"Illinois sales tax\", \"IL sales tax\", \"ROT\", \"Retailers Occupation Tax\", \"IDOR\", \"ST-1\", \"Illinois exemption certificate\", or any request involving Illinois sales and use tax classification, filing, or compliance. ALWAYS read this skill before touching any Illinois sales tax work.

Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Figures are for tax year 2026, as they stand on 25 September 2026. They come from the Illinois Department of Revenue (IDOR) at tax.illinois.gov. Illinois "sales tax" is really two pairs of taxes: the Retailers' Occupation Tax (ROT) with the Use Tax, and the Service Occupation Tax (SOT) with the Service Use Tax (SUT). Three changes matter most for 2026: the State tax on groceries ended on 1 January 2026 (a local 1% grocery tax may apply instead), the 200-transaction test for remote sellers ended on 1 January 2026, and destination sourcing now reaches more sellers ([IDOR bulletin FY…

What this skill does

Illinois Sales Tax is a community-contributed Claude Code skill in the sales-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/illinois-sales-tax/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Illinois Sales Tax Claude Code skill is built for sales development reps, account executives, revenue operations teams, and customer success managers. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 211,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/illinois-sales-tax
curl -L https://claudskills.com/skills/illinois-sales-tax/SKILL.md \
  -o ~/.claude/skills/illinois-sales-tax/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/illinois-sales-tax/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/illinois-sales-tax/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\illinois-sales-tax\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Illinois Sales Tax Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/illinois-sales-tax/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Illinois Sales Tax skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Illinois Sales Tax skill?

Use Illinois Sales Tax when your Claude Code task falls under the Sales category — specifically in the sales misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Illinois Sales Tax" or describe the task and let Claude pick). Browse related skills at /category/sales/.

What is a Claude Code skill and how does the Illinois Sales Tax skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Illinois Sales Tax is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Sales category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/openaccountants/openaccountants/blob/HEAD/agent-skills/illinois-sales-tax/SKILL.md
License: AGPL-3.0
Author: openaccountants
Website: https://www.openaccountants.com/connect

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

openaccountants. (2026). Illinois Sales Tax [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/illinois-sales-tax/

BibTeX

@misc{illinois-sales-tax-2026,
  author    = {openaccountants},
  title     = {Illinois Sales Tax [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/illinois-sales-tax/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/illinois-sales-tax.svg)](https://claudskills.com/skills/illinois-sales-tax/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-10-25 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/illinois-sales-tax/#security)

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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