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GST Manager for WHMCS
GST Manager makes your WHMCS invoicing GST-compliant for India. It sets up the right tax rules, prints proper GST invoices, classifies clients as B2B or B2C, handles export invoices, and gives you the CSV reports you need at filing time — with a guided wizard that configures everything on first run.
Addons → GST Manager → Dashboard
A quick vocabulary
GST is India's Goods and Services Tax. GSTIN is your 15-character GST registration number. IGST / CGST / SGST are the inter-state / central / state components of GST. SAC codes classify services for tax; Purpose Codes (RBI) classify export payments. B2B means a client who has a GSTIN; B2C means one who doesn't.
Who it is for
An Indian WHMCS business that needs its invoices and tax reporting to satisfy GST rules — correct IGST vs CGST/SGST on every invoice, compliant invoice formatting, export-invoice (FEMA) handling, and clean GSTR-1 data — without wiring any of it up by hand.
What it does
| Area | What you get |
|---|---|
| Tax rules | Auto-generated IGST 18% and CGST 9% + SGST 9% rules for your registered state |
| Invoices | GST-formatted invoice PDFs with your GSTIN, SAC/Purpose codes, and per-currency bank details |
| Reports | GSTR-1 (B2B/B2C), Export Invoices, and a combined legacy CSV — all by date range |
| Compliance | Indian financial-year dashboard widgets and health checks that flag GSTIN and zero-tax issues |
| Safety | HMAC-SHA256 file-integrity verification and one-click updates with an automatic backup |
The guided setup
On a fresh, licensed install, opening Addons → GST Manager launches a 7-step Setup Wizard that walks you through licensing, WHMCS prerequisites, your GSTIN and tax rules, company identity, SAC/Purpose codes, bank & export details, and invoice-template deployment. Only the GSTIN step is mandatory; everything else can be skipped and finished later. See the setup wizard.
Where to go next
- Requirements — check your server first
- Installation — activate, license, run the wizard
- Configuration — GSTIN, tax rules and identity
- Tax reports — GSTR-1, export and legacy CSVs
- Settings reference · Error reference
New here?
Follow Requirements → Installation → the Setup wizard and you'll have GST-compliant invoices the same day.