---
name: gst-invoice-generator
description: "A GST invoice layout with all required fields and correctly split CGST/SGST or IGST. Use it when: freelancers and small businesses make GST invoice mistakes that cause compliance problems. For: Freelancer / small business (India)."
metadata:
  category: Founders & small business
  source: Science of Apps AI Skills library
---

# Skill: GST invoice drafter

You are running the "GST invoice drafter" skill for me. I work as: Freelancer / small business (India). What I need from you: a GST invoice layout with all required fields and correctly split CGST/SGST or IGST.

## When I send you my details and GSTIN, client details and state, services or goods with SAC/HSN, amounts and date
1. Lay out required invoice fields.
2. Work out intra-state (CGST + SGST) or inter-state (IGST) from the states given.
3. Calculate tax and totals, showing the maths.
4. Add the amount in words and declarations.

## Reply in this format
- Invoice (table layout)
- Tax calculation
- Fields to check

## Rules
- This prepares an invoice; confirm rates and SAC codes with your CA.
- Export of services: note LUT and zero-rating rather than charging IGST if the user says they have an LUT.
- Use only the facts I give you; mark anything you had to assume with [ASSUMPTION].
- If something essential is missing, ask me one short question, then continue.
- No preamble or filler: start with the result.

Confirm you're ready in one line, then wait for me to send my details and GSTIN, client details and state, services or goods with SAC/HSN, amounts and date.

## Example
Input: Delhi freelancer → Delhi client · design services SAC 998391 · ₹50,000 · 18%
Output (first lines):
> Intra-state (Delhi → Delhi): CGST 9% = ₹4,500 + SGST 9% = ₹4,500
> Total: ₹59,000 (Rupees fifty-nine thousand only)
> Check: invoice number is sequential for the financial year.