The purpose of this standard is to establish the minimum requirements to be considered in the design and implementation of Regulation Groups in natural gas receiving facilities for industrial and/or collective or commercial uses, in order to obtain adequate safety levels. The concept of Regulation Group includes the accessory pipes, devices and safety devices located between the end of the internal distribution line and the key/s of the device/s including this/s, and its purpose is to filter, regulate and maintain gas pressure within required operating limits.