Article 27 Pollutant discharge shall be subject to concentration compliance and total amount control. The total pollutant discharge control plan shall be formulated by the competent administrative department of environmental protection of the autonomous region in conjunction with relevant departments, according to the national total pollutant discharge indicators and regional environmental capacity, and shall be decomposed step by step for implementation after approval by the people's government of the autonomous region. The people's governments at or above the county level shall take measures to control the total discharge of major pollutants in their respective administrative areas within the total discharge targets stipulated by the people's government of the autonomous region.

article 28 the autonomous region shall implement the pollutant discharge permit system. The polluter shall apply for a pollutant discharge permit in accordance with the law, and discharge pollutants according to the total pollutant discharge control index, concentration and method stipulated in the pollutant discharge permit. No pollutant shall be discharged without obtaining a pollutant discharge permit or being revoked. The competent administrative department of environmental protection of the people's government at or above the county level shall issue and manage pollutant discharge permits in accordance with the provisions of laws and regulations. The competent administrative department of environmental protection that accepts the application for pollutant discharge permit shall, within 21 days from the date of accepting the application, make a decision on whether to issue or not to issue the pollutant discharge permit according to law, and notify the applicant in writing.

article 29 the issuance, alteration and revocation of pollutant discharge permits shall be made public and subject to the supervision of the masses. Obtaining a pollutant discharge permit by a pollutant discharge unit does not exempt it from its obligation to control pollution and other responsibilities stipulated by law.

Article 31 A sewage discharging enterprise shall set up sewage outlets and install signs in accordance with the provisions of the state and autonomous regions. The sewage outlet shall not be changed at will after it is set. Those who do not meet the technical specifications, standards and requirements for the establishment of sewage outlets shall complete the rectification within the time limit prescribed by the competent administrative department of environmental protection.

article 31 a pollutant discharge unit shall formulate operating rules according to the design requirements of pollution prevention facilities and the discharge requirements stipulated in the pollutant discharge permit, and ensure the normal operation of pollution prevention facilities. Pollution prevention and control facilities shall be operated and used simultaneously with the main facilities that produce pollutants. Built pollution prevention facilities shall not be dismantled or left idle without authorization. If it is really necessary to dismantle or leave idle, it shall apply to the local municipal or county environmental protection administrative department 11 days in advance, explain the reasons and put forward corresponding pollution prevention and control measures. The competent administrative department of environmental protection shall, within 11 days from the date of receiving the application, make a decision on administrative license and notify the applicant.

article 32 encourages enterprises to voluntarily carry out cleaner production audits, and puts forward the goal of further saving resources and reducing pollutant emissions. Enterprises under any of the following circumstances shall announce the discharge of major pollutants and carry out cleaner production audit according to the provisions of the state:

(1) The discharge of pollutants exceeds the national and local discharge standards, or the total discharge of pollutants exceeds the total discharge control index approved by the local people's government;

(2) using toxic and harmful substances such as dangerous goods list, dangerous chemicals list, national hazardous waste list and toxic chemicals list as raw materials for production or discharging the above toxic and harmful substances in production.

article 33 for a construction project subject to the examination and approval system, the construction unit shall complete the approval procedures for environmental impact assessment documents before submitting the feasibility study report; For a construction project subject to the approval system, the construction unit shall complete the approval procedures for environmental impact assessment documents before submitting the project application report; For a construction project with filing system, the construction unit shall complete the approval procedures for environmental impact assessment documents after filing procedures and before the project starts.

article 34 where the discharged pollutants exceed the national or autonomous regional pollutant discharge standards, or exceed the total discharge control targets of key water pollutants, the competent environmental protection department of the people's government at or above the county level shall, according to its authority, order it to be treated within a time limit. The deadline for governance shall not exceed 11 months at the longest. If the polluter is unable to complete the treatment task due to special reasons, it shall apply for extension to the environmental protection department with jurisdiction 1 months before the expiration of the treatment period, which may be extended for 1 times with the approval of the people's government at the same level, but the extension time shall not exceed 3 months. During the period of treatment within a time limit, the polluter shall, in accordance with the requirements of the competent administrative department of environmental protection, take measures to reduce production or limit production, so as to make its pollutant discharge meet the requirements in the decision of treatment within a time limit. At the expiration of the time limit, the competent administrative department of environmental protection shall timely check the effect of the deadline.

article 35 where the environment is polluted, threatening the living environment and the safety of people's lives and property, the competent administrative department of environmental protection of the local people's government at or above the county level shall order it to stop discharging pollutants and report to the local people's government in time.