The Rulebook on automatic liquid level gauges was published in the „Official Gazette of the RS”, No. 21/2026 of January 30, 2026.

This rulebook specifies the requirements for automatic liquid level gauges in stationary tanks, labeling of automatic liquid level gauges in stationary tanks, technical documentation, the method of determining the fulfillment of requirements for automatic liquid level gauges in stationary tanks, the method of testing the type of automatic liquid level gauges in stationary tanks, measurement methods, as well as the method and conditions of verification of automatic liquid level gauges in stationary tanks.

This rulebook enters into force on March 14, 2026, and on the day of its entry into force, the Rulebook on Automatic Liquid Level Gauges in Stationary Tanks ("Official Gazette", No. 114/13) ceases to be valid.