However, special care must be taken to ensure that the contractual relationship with the interim manager, the description of his mission and the interim manager's integration into the organisation are legally secure. Mistakes here can quickly become very expensive, e.g. if wage tax or social security contributions have to be paid retrospectively. Moreover, this may severely strain the relationship between the company and the interim manager. With fringspartners at your side, you will do everything right here from the very beginning.