The document that sets out the rules and procedures for third party access to the British pipeline grid and introduced the regime of daily balancing.

The Uniform Network Code is the hub around which the competitive gas industry revolves, comprising a legal and contractual framework to supply and transport gas. It has a common set of rules for all industry players which ensure that competition can be facilitated on level terms. Network Code in the UK came into effect in March 1996 after two years of negotiation between Transco and the shippers and is in effect a set of business rules within a legal framework defining the rights and obligations of Transco and Shippers and forming the basis of all contracts between them