Digest XXII, 3, 2 (Paulus)

PAULUS libro sexagesimo nono ad edictum.

Ei incumbit probatio qui dicit, non qui negat.

Paulus, On the Edict, Book LXIX

Proof is incumbent upon the party who affirms a fact, not upon him who denies it.

Referring Principles
Trans-Lex Principle: XII.1 - Distribution of burden of proof
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