3523 Trade of gas through mains

[0]

Includes

- sale of gas to the user through mains
- activities of gas brokers or agents that arrange the sale of gas over gas distribution systems operated by others
- commodity and transport capacity exchanges for gaseous fuels [0]

Also includes

[0]

Does not include

- wholesale of gaseous fuels, see 4671
- retail sale of bottled gas, see 4778
- direct selling of fuel, see 4799 [0]

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