To add a tax number, you can add it directly to the tax name in the editor as well as the Taxes area by following the steps below:
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1. Under subtotal, click Add tax:

2. Add the tax name and tax number. For example:

1. Click Items > List Taxes in the menu:

​2. Select an existing tax or create a new one by clicking the Add Tax button in the top right:
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3. Enter the tax name and number:
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