Data to find or create a TaxRate object.
Stripe automatically creates or reuses a TaxRate object for each tax amount. If the tax_rate_data exactly matches a previous value, Stripe will reuse the TaxRate object. TaxRate objects created automatically by Stripe are immediately archived, do not appear in the line item's tax_rates, and cannot be directly added to invoices, payments, or line items.
Optionaltaxability_The reasoning behind this tax, for example, if the product is tax exempt.
The amount on which tax is calculated, in cents (or local equivalent).
The amount, in cents (or local equivalent), of the tax.