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surrogatum

n. (context Scottish law English) A thing put in the place of another; a substitute.

Wikipedia
Surrogatum

Surrogatum is a thing put in the place of another or a substitute. The Surrogatum Principle pertains to a Canadian income tax principle involving a person who suffers harm caused by another and may seek compensation for (a) loss of income, (b) expenses incurred, (c) property destroyed, or (d) personal injury, as well as punitive damages, under the surrogatum principle, the tax consequences of a damage or settlement payment depend on the tax treatment of the item for which the payment is intended to substitute.