AGA Report No. 3 – ORIFICE METERING OF NATURAL GAS AND OTHER RELATED HYDROCARBON FLUIDS PART 2: Specification and Installation Requirements – has been revised and released as 5th Edition in March 2016. Part 2 of this standard has no impact on the technical installation of Natural Gas Applications (Part 3) or Implementation Procedures (Part 4). However, organizations utilizing the implementation as defined in Part 3 and Part 4 are advised to obtain Part 2 as a reference. No changes of the technical software implementations are required.