The data transfer rules determine whether the values from the sample account can be changed in the G/L account or not. If a rule is not specified for a field, the contents are not transferred. In a second step, you assign the company codes to which the rules apply to a rule type. This way, the rules apply to a company code.
You have entered the key under which you define the rules in the activity Maintain List of Rule Types.
Define the data transfer rules.