The HETS Operator shall ensure that the Balancing Market System is certified by an independent inspection firm, which shall certify compatibility with the functions and procedures included in this Rulebook and shall conduct either:

a) a full inspection, or

b) A partial inspection of the changes and their impact on the remainder of the Balancing Market System.

Such certification shall take place every time the Balancing Market System is significantly modified. The HETS operator shall publish the inspection certificate on its website.

Every time the HETS Operator shall determine whether a full inspection or partial inspection is needed time at its discretion.