Mishneh Torah — Negative Mitzvot מצוות לא תעשה, Chapter 100
The full Hebrew text of Mishneh Torah, Negative Mitzvot, Chapter 100, with English translation by Maimonides (Rambam).
שלא להקריב אתנן ומחיר, שנאמר "לא תביא אתנן זונה ומחיר כלב" (דברים כג,יט).
Not to offer as a sacrifice an animal received by a prostitute as her fee, or an animal received in exchange for a dog, as [Deuteronomy 23:19] states: "Do not bring a prostitute's fee or the price of a dog...."