Commenda does not support tax calculations in Shopify, the following doc refers only to their sync flow.**Shopify Transactions **(ECOMMERCE_TRANSACTIONS in Rootfi)We follow this hierarchy to pick the first non-null address (with no validity checks other than whether the address is null or not):
Shopify’s transaction shipping address (from raw data)
Shopify’s transaction billing address (from raw data)
We don’t seem to fall back to a customer-level address if those fields are missingShopify Customers (ECOMMERCE_CUSTOMERS in rootfi)We follow this hierarchy to pick the first valid address:
Rootfi SHIPPING address
Rootfi BILLING address
We select exactly one of these addresses, geocode it, and sync it to the sales tax API.