# Understand error messages and warnings

Source: https://developer.avalara.com/products/crossborder/integration-guides/avatax-for-cdit/hvi1172647452150/

Guide: AvaTax Cross-Border (Customs Duty and Import Tax)

# Understand error messages and warnings

Learn about additional messages and warnings for VAT, customs duty, and import transactions.

In addition to AvaTax [error messages](https://developer.avalara.com/avatax/errors/), VAT, Customs Duty, and Import transactions also provide additional messages and warnings, including those around HS codes, de minimus, sourcing, and so on.

**Example**

```
 ... AttributeApplicabilityId: 1574\n AttributeApplicability: (DeminimisMet = TRUE)
AND ((IsPreferredProgram is NULL) OR (IsCountryOfManufacturePunitive = FALSE
 AND IsPreferredProgram = FALSE)) ...
```