Shulchan Arukh Orach Chayim · Siman 602

English

The order of the esrei yemei teshuva (ten days of repentenance), and in it is 1 paragraph. Rema: We fast the day following Rosh HaShana (Tur) and it is a Public Fast . Everyday between Rosh HaShana to Yom Kippur, we increase prayers and supplications. Rema: And we say Avinu Malkeinu every evening and every morning except for Shabbos (Tur). And even if there is a bris milah, so that we do not say Tachanun, we say Avinu Malkeinu (Minhagim). And each day we say Vidui 3 times before daybreak except for the eve of Yom Kippur, that we do not say it except one time (Rokeach). And we do not place anyone into Cherem, and we do not have a person swear in Bais Din until after Yom Kippur (Maharil). And we do not sanctify the New Moon until Motzei Yom Kippur. And the Shabbos between Rosh and Yom Kipper the custom is to say Tzidkatkhah.