The last of the five services occurring on this day is the Neilah.
The practice of kapparot associated with this holiday sees a donation to the poor, while the Tetragrammaton or Ha-Shem was pronounced by the High Priest of the Great Temple on this day. The last of the five services occurring on this day is the Neilah. People try to transfer their sins away and recite the Kol Nidre prayer before its beginning. Occurring on the 10th of Tishrei, it concludes the (*) High Holy Days. For 10 points, name this Jewish Day of Atonement.
The practice of kapparot associated with this holiday sees a donation to the poor, while the Tetragrammaton or Ha-Shem was pronounced by the High Priest of the Great Temple on this day.
Yom Kippur [or Yom ha-Kipurim; prompt on Jewish \"Day of Atonement\" before mention]