Items/commodities integration

This section describes the requirements for how you define what you're selling and how you associated those with an item in AvaTax.


Requirement	Use case	Endpoints/Models	Type
Item/commodity code	Merchants/users must be able to specify a unique item code that's passed to AvaTax. Item codes allow for a maximum of 50 characters.	ItemModel	Required
Item/commodity description	Merchants/users must be able to input a human-readable description for each `ItemCode` in their product catalog.	ItemModel	Required
AvaTax tax code mapping	Merchants/users must be able to associate an item or item category to an Avalara tax code to describe the taxability (for example, "Clothing-Shirts" – "B-to-C").	ListTaxCodes	Required
Tax code lookup	Merchants/users should be provided with a method for looking up tax codes.	ListTaxCodes	Required
Non-standard items	Merchants/users must have a way of associating Freight/Shipping and/or Handling charges to an Avalara tax code to describe the taxability.	LineItemModel	Required