Optional
Specifies the default tax behavior to be used when the item's price has unspecified tax behavior. One of inclusive, exclusive, or inferred_by_currency. Once specified, it cannot be changed back to null.
A tax code ID.
Specifies the default tax behavior to be used when the item's price has unspecified tax behavior. One of inclusive, exclusive, or inferred_by_currency. Once specified, it cannot be changed back to null.