Reference for Bava Metzia 225:3

אם יש עדים שתבעו הרי זה נשבע ונוטל: והא קתבעו לקמן א"ר אסי שתבעו בזמנו ודלמא לבתר הכי פרע אמר אביי שתבעו כל זמנו

YET IF HE HAS WITNESSES THAT HE DEMANDED PAYMENT, HE CAN STILL SWEAR AND RECEIVE IT, But he [still] demands it now! Said R. Assi: It means that he demanded payment within the set time. But perhaps he paid him subsequently! — Abaye answered: He demanded it all the set time.<span class="x" onmousemove="('comment',' Until the set time lapsed, the employer thus transgressing the Biblical prohibition. ');">²</span>

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