The establishment, operation and significant modification of the following storage facilities for flammable liquids must be reported to the authorities before they are carried out:
Storage facilities for storing more than 20 l of flammable liquids of Hazard Class I.
Storage facilities for storing more than 100 l of flammable liquids of Hazard Class II.
Storage facilities for storing more than 1000 l of flammable liquids of Hazard Class III.
In the case of shared storage of different flammable liquids, they are to be added together according to the provisions of §8 paragraph 3 of the Flammable Liquids Ordinance, BGBl No. 240/1991 (in the current version).