When the account on the line is subject to tax, the tax field is accessible for entry. It is initialized with the tax code associated with the account. According to the context, it is necessary to verify that this tax code corresponds to the tax actually applicable, or it should be modified. The tax code defines the rate, the rules, and the terms for the deduction applicable to the operation.
If the Control type field is set to Inactive for the Account, you can enter any value on the line.
If the Control type field is set to Authorization for the Account, you can only enter a code listed in the Tax control grid on the Management tab in the Account. Otherwise, you receive a blocking message.
If the Control type field is set to Restrictionfor the Account, you can only enter a code that is not listed in Tax control grid. Otherwise, you receive a blocking message.