[IDEM libro trigensimo secundo ad edictum. ] §16.2.11.prCum alter alteri pecuniam sine usuris, alter usurariam debet, constitutum est a diuo Seuero concurrentis apud utrumque quantitatis usuras non esse praestandas.
[THE SAME, On the Edict, Book XXXII.] When one party owes money without interest to another, and the other owes interest-bearing money to him, it was decreed by the Divine Severus that interest on the amount that is common to both should not be paid.