DÜRR shall obey Purchaser´s safety regulations. DÜRR shall impose such safety regulations to its employees and subcontractors, working on site. In case breaches of such regulations are revealed by the Purchaser, then the Purchaser shall inform DÜRR in writing. DÜRR will have to take immediate action to stop such breaches. In case DÜRR, for any reasons will not take any actions, the Purchaser will do so. In case of severe breaches, the person responsible for such breach must leave the site and shall be forbidden to return on site. It is DÜRR´s obligation to replace such person by another, with same and/or qualifications.