根据《行政诉讼法》第二条和第十一条的规定,环保行政相对人如果认为环保部门征收排污费或者给予行政处罚等具体行政行为侵犯其合法权益,有权依照《行政诉讼法》向人民法院提起行政诉讼。此时,环保部门就必须出庭应诉。这种应诉,既是环保部门的法定权利,也是环 According to Article 2 and Article 11 of the Code of Administrative Litigation, if the relative party of environmental protection administration violates the legal rights and interests by levying the sewage charges or giving specific administrative action such as administrative penalties, the relatives of environmental protection shall have the right to follow the Administrative Procedure Law People’s court filed an administrative lawsuit. At this point, the environmental protection department must appear in court. This kind of responding is not only the legal right of the environmental protection department but also the ring