If this meter reading is the result of a rolldown, this attribute indicates the source of the rolldown, ASSET, LOCATION or NONE. NONE indicates that this meter reading was not the result of a rolldown.
Če je ta odčitek merila rezultat prepisa, ta atribut kaže izvor prepisa, ASSET, LOCATION ali NONE. NONE kaže, da ta odčitek merila ni bil rezultat prepisa.