In the „Official Gazette of RS”, No. 66/15 of July 27, 2015, is published Regulation on measuring transformers that are used for billing of electricity, which will come into force on August 4, 2015, and will be applicable as of October 1, 2015.

This regulation prescribes the requirements and marking of measuring transformers that are used for billing of electricity (hereinafter: measuring transformers), method of determining compliance with requirements for measuring transformers, methods of measurements, and the manner and conditions of verification of measuring transformers.

This regulation applies to measuring transformers in alternating current circuits, of frequency 50 Hz.