外掛標籤
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② 後台搜尋「raintech357 GST Tax Rates for WooCommerce」→ 直接安裝（推薦）
原文外掛簡介
Adds a “GST (India)” tab under WooCommerce > Settings where you set:
Your GSTIN number (printed on order emails and the admin order screen)
Your store’s state
The GST slabs your catalogue uses (0%, 5%, 12%, 18%, 28%)
On save, the plugin automatically:
Creates a WooCommerce tax class per selected slab (e.g. “18%”).
Adds a CGST + SGST (or UTGST for Union Territories) row at half the
slab rate for your own state, so intra-state orders split correctly.
Adds a single IGST row at the full slab rate with no state
restriction, so it applies to every other Indian state automatically.
Assign each product’s tax class (Product Data > General > Tax class) to
the matching slab and WooCommerce takes care of the rest at checkout.
Existing rates are never duplicated — re-saving the settings is safe.
