Product IDs are the key driver of taxability in Anrok. They describe your specific offering that was sold to your customer. Product IDs are passed to Anrok from your billing system as the product(s) you are including on the invoice.
Each product ID you sell must be mapped to a corresponding tax configuration in Anrok, which signals what taxability ruleset to apply to the product. Anrok will then handle the different tax rules, rates and updates automatically. If Anrok receives a transaction without a valid product ID, tax will not be calculated on the transaction.
Product IDs in Anrok should tie exactly to the product IDs used in your billing system. All of the products included in your billing system should also be entered into Anrok.