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Run this checklist every time the Commenda plugin is installed or updated on your WooCommerce store. It takes about fifteen minutes and ends with a real test order, which is the only reliable way to know tax is being applied. Work through the steps in order. If any step does not come out the way it says it should, contact us before going live rather than continuing.

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The checklist

1

Turn on taxes in WooCommerce

Go to WooCommerce → Settings → General and tick Enable taxes.
A Tax tab appears in your WooCommerce settings.
Leave this off and Commenda still calculates the tax, but WooCommerce discards the result and every order ships untaxed. This is the most common cause of missing tax, and it can run for months with nothing else looking wrong.
2

Clear any tax rates you already have

Go to WooCommerce → Settings → Tax → Standard rates and delete every rate listed. Commenda supplies all of them, so anything left over from a previous provider or entered by hand will conflict.
The rate table is empty.
Moving from another tax provider? Agree a switch-off time with us first. If both run at once, an order can be taxed twice.
3

Add your existing registrations

Add every registration you already hold to the Commenda app.
Each state or region you are registered in appears in your account.
Anything missing here ships untaxed, so add them all before your first taxed order.
4

Place a test order

Place a test order in your store, shipping to an address where you are registered.
Tax is added at checkout and appears as a tax line on the completed order.
If tax comes out as 0.00, stop and contact us before going live. Do not keep placing orders.
5

Check your checkout still behaves normally

Add and remove a few items from the cart, then go through to checkout.
Tax appears at checkout, and the cart responds as quickly as it did before.
Tell us if adding items feels slower than it used to.
6

Test an exempt customer

If you sell to tax-exempt customers, place an order for one who has a certificate on file.
The order completes with no tax.
If tax is still applied, contact us before you go live.
Fees added to an order are not currently included in the tax calculation. Tell us if you use fee lines and we will handle it for your account.

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Next steps

Every step passed, so you are ready to go live. Run this checklist again after any WooCommerce update, plugin update, or new registration. If a step does not behave the way it is described here, send us the order number and we will take it from there.

WooCommerce integration

How the integration connects, what it syncs, and how to set it up

All integrations

Every platform Commenda connects to