פֿאַרבונדן אויף שמות 30:13

On the first of Adar they make a public announcement about the shekels and concerning kilayim. On the fifteenth: they read the Megillah [Esther] in walled cities, and they fix the roads and the streets and the ritual water baths, and they perform all public duties, and they mark the graves, and [messengers] go forth also concerning kilayim.