(1) A person who has a thing in their proprietary possession acquires the ownership of the products and other components that are among the fruits of the thing, notwithstanding the provisions of sections 956 and 957, on the separation. Acquisition is excluded if the proprietary possessor is not entitled to proprietary possession or another person, by reason of a right in the thing, is entitled to receive the fruits and the proprietary possessor is not in good faith when they acquire proprietary possession or learn of the defect of title before the separation.
(2) The person who possesses the thing for the purpose of exercising a right of use of it is equivalent to the proprietary possessor.
(3) The provision of section 940 (2) applies accordingly to proprietary possession and possession equivalent to proprietary possession.