Tax

Menu: Commerce -> Tax
Deep link: /_Admin/commerce/taxes?SiteId={siteGuid}
Create: /_Admin/commerce/taxes/create?SiteId=...&country={countryName}
Edit: /_Admin/commerce/taxes/edit?SiteId=...&id={taxRuleId}

Configure commerce tax by country/region: one rule per country with base tax rate, optional regional overrides for provinces/states, and product condition overrides. Cart trial and order checkout match rates by shipping country/region and products (line taxAmount, order tax total).

Permission

Menu permission feature name is tax (not taxes); edit requires tax · edit.

How to Open

1. In the Edit menu, enable Commerce -> Tax (and the parent Commerce group).
2. Open Commerce -> Tax in the left sidebar.

List Page

Path: /_Admin/commerce/taxes?SiteId=...

Column / Action	Description
Country	Flag + localized country name (Commerce country library)
Base tax	baseTax, percentage display
Create	Opens Select country dialog; already configured countries excluded
Edit	Row pencil → create and edit
Batch delete	Select rows → Delete → confirm

Select Country Dialog

After Create, select country without tax rule yet; keyword filter supported; click table row to enter create page (query country). Dialog is SelectCountryDialog: search box + country table (name, code).

Create button permission

List Create button uses permission taxes · edit, while menu registers tax · edit. If button shows disabled "no permission", accounts with tax edit permission can still access taxes/create?SiteId=...&country={countryName} directly.

Create and Edit

Create path includes country; edit path includes id. Breadcrumb: Tax -> {country name}. Shared EditForm, bottom Save / Cancel returns to list.

Base Tax

Field	Description
Base tax	baseTax, percentage number (ElInputNumber, step 0.1, min 0)

Regional Overrides

When country has provinces/states etc. in Commerce address library, Regional overrides card appears:

Capability	Description
Search	Filter regions by keyword
Reset	Clear keyword and remove all regional override entries
Pagination	6 regions per page
Per-region rate	Percentage + calculation method dropdown

Calculation methods (OverridesType) — copy includes current base tax {tax}%:

Value	Meaning
Added	Add this percentage on top of base tax
Instead	Replace base tax; use only this percentage
Compounded	Compound on base tax (multiplication logic on server)

Regions without override use base tax.

Product Overrides

Product overrides can add multiple rules, each containing:

Item	Description
Rate	Percentage
Calculation method	Added / Instead / Compounded relative to "base tax + matched regional override" (similar copy to regional overrides, referencing regional result)
Conditions	Condition component: match product dimension fields (schema from getTaxSchemas), AND/OR multiple rules
Done	Click Done while editing to collapse to summary; click summary to expand again
Delete	Remove this product override
Add	Round + adds new rule

Matching product lines use override rate at trial/checkout; otherwise fall back to regional/base tax.

Related

• Orders — line tax and order tax total
• Carts — checkout mode trial includes tax
• Currencies, Settings
• k.commerce (taxAmount in cart/order trial)