Material, testing, installation, and other safety regulations-regarding affairs of natural gas enterprise’s transmission and storage equipment must meet national standards or relevant regulations; in cases where there isn’t any national standard or relevant regulation; standards recognized by other progressive countries approved by central competent authorities will apply.
Natural gas enterprises should institute disaster prevention measures–including devices on the transmission and storage equipment in accordance to the prescriptions provided by the authorities.
Natural gas utility enterprises must install regional gas supply system with immediate blockage devices on the transmission and storage equipment.
The installation location of natural gas enterprise’s storage, mixing, gasification, and unloading equipment should abide by geological safety regulations.
The regulations of scope, items, and procedures of progressive countries provided in Section 1 as well as installation method, maintenance and other prescriptions prescribed in Section 2 would be stipulated by the central authorities.

Natural gas utility enterprises must hire a certain number of full-time qualified pipeline-installation staff to take charge of pipeline constructions and relevant safety maintenance affairs.
The qualification, number, hiring or replacement, and other relevant affairs of qualified natural gas pipeline-installation staff will be prescribed in the preceding Section and reviewed by the central competent authorities.

Before expanding or replacing primary transmission and storage equipment, natural gas utility enterprises should apply for approval via authorities of the municipal government or the county (city) governments to the central authorities. The preceding paragraph does not apply to any temporary expansion or replacements due to disaster, damage, or urgent accidents.
In the case of exceptions mentioned in the preceding Section, natural gas utility enterprise should report measures already taken via authorities of the municipal government or the county (city) governments to the central competent authorities within 1 month of the occurrence from the date of the disaster, damage, or accident.
The central competent authorities may commission items prescribed in the preceding 2 Sections to approve or take into record for account when regarding it as necessary to the authorities of the municipal government or the county (city) governments.

When transmission and storage equipment has risk of causing disasters, natural gas enterprises should immediately take necessary precautions or improving measures.
When a fire accident or other disasters occur near transmission and storage equipment, natural gas enterprises should assign technical staff to take preventive measures also posting clear signs around the site area; enterprises may also stop partial or entire gas supply, or demolish transmission and storage equipment that would pose hazard.

When disasters, urgent accidents or circumstances prescribed in the preceding Article occur, natural gas enterprises should report to the authorities of note.
The regulations regarding reported criteria, deadlines, forms, procedures, and other relevant items prescribed in the preceding Section should be in accordance with the central competent authorities.

Natural gas utility enterprises should inspect conduct-pipe among the meters and user’s devices or compliances, hence when receiving the user’s application for gas supply, and thus starting the supply after making sure there is no safety concern.
Natural gas utility enterprises should stipulate the inspection methods and procedures prescribed in the preceding Section, including the items, methods, standards, and other relevant items, and report via authorities of the municipal government or the county (city) governments to the central authorities; the reported ruling also applies when public natural gas utilities are revised or the any items mentioned.

Natural gas supplied by natural gas enterprises should meet national standards.
Natural gas supplied by natural gas utility enterprises should add odorous Substance for purposes of sniff recognition. Items and contents of the added odorous Substance should be periodically reported to the authorities of the municipal government or the county (city) governments.
The report forms, items, contents, and expiring date of odorous Substances prescribed in the preceding Section should be promulgated by the central competent authorities

Before operation, natural gas utility pipeline-installation enterprises should apply for licenses from authorities of the municipal government or the county (city) governments.
Natural gas utility pipeline-installation enterprises should hire a certain number of full-time qualified natural gas pipeline-installation staff.
The regulations of licensed application, revision, withdrawal and revocation, requirements, procedures, and business scope of voluntary or statutory business suspensions, qualifications, number, hiring or replacement of qualified staffs and other prescribed items of natural gas utility pipeline-installation enterprises should be in accordance with the standards set by the central authorities.