# Customs Module

The customs module allows to define customs duty based on the tariff code.

## Tarif Code

It stores the Harmonized System that can be set on Product.

- The Code from the HS.

- The Country in case of a country specific code.

- The Start / End period of the year for which the code is valid.

## Duty Rate

It stores the rate of a Tarif Code for a country over a period.

- The Tariff Code.

- The Country for which the rate is.

- The Type: Import or Export

- The Start and End date of validity.

- The Computation Type:

    - Amount: fixed amount with currency.

    - Quantity: amount (in currency) per unit of measure.