10.6. Property used in mining operation activities from the first accumulation site of a mineral substance following its extraction from the mine, that an operator owns at the time of the transfer and that is at that time class 1 property, class 2 property, class 3 property or class 4 property of the operator, is deemed to become, immediately after that time, class 1A property, class 2A property, class 3A property or class 4A property of the operator, respectively.