Does exchanging a Zakat-assessable property for a different species break the Zakat year (Hawl)?

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When a Nisab is exchanged for a non-same species, the Zakat year is broken, and a new year must commence, except in the case of exchanging gold for silver, or regarding trade goods (Urood al-Tijarah). Gold and silver are treated as a single category because they serve as compensatory values for injuries and damaged property, and thus are joined together in Zakat calculations. Similarly, if trade goods are purchased with a Nisab of currency, or if trade goods are sold for a Nisab, the Hawl is not broken because Zakat is due on the value of the goods, which is the currency, making them one class.