| Duty groups (EF205000) |
1. Click  and select a duty type,
1. fill in the **Duty group** and **Duty group description** fields to create the duty group which is to be connected to the duty type,
1. under **Calculation rule**, select **Standard** or **Turnover factor**.
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| Duty rates (EF207000) |
1. Click  and select a duty type and group,
1. fill in the fields **Unit**, **Start date** and **Duty rate**.
> [!NOTE]
> You can not edit existing duty rate lines. When a duty rate is changed by the government, you need to add a new line with a new start date and the new duty rate.
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