Jabir bin'Abdullah (RA) reported that the Apostle of Allah (ﷺ) ordered us to put on Ihram (again) as we proceeded towards Mina after we had put it off (i. e. 'on the 8th of Dhu'l-Hijja). So we pronounced Talbiya at al-Abtah.
Hadith ReferenceSahih Muslim / The Book of Pilgrimage / Hadith: 1214