A person carrying out work at the employer without being an employee as defined in this CLA and who, other than on the basis of an assignment contract with the employer or a contract for services concluded by the employer with a third party, performs work at the employer on a temporary basis. Holiday staff and students who during their education act as interns, graduate or for other reasons perform temporary work at the employer in the context of their study, are not temporary personell for the purpose of this CLA.