Setting up tax codes

I just started using Manager. I am based in the US using a desktop version. I would like to create multiple tax codes. The guide states to click the “Add Components” button. I don’t see that button. Is it available on the desktop version or should I just create multiple tax entries?

Follow the procedure in the linked Guide. After clicking the blue link for New custom tax code, you will see a dropdown box for the tax rate. By default it shows 0%. Click to pull down the menu and select Custom:

Another dropdown box appears, in which you should select Multiple rates:

Now you see two lines for two components:

For your information, while you can create multiple tax codes for different situations, you cannot apply more than one to a line item. If, like many US jurisdictions, you have a multi-component sales tax, you should read this Guide: