הלכה אויף ויקרא 23:35

To rest on the first day of the Feast of Tabernacles, as it is said, “On the first day there shall be a holy convocation; (ye shall do no servile work therein)” (Lev. 23:35).

The commandment of resting on the first day of the holiday of Sukkot: To rest from any work which is not for the needs of food for the soul on the first day of the holiday of Sukkot, as it is stated (Leviticus 23:35), “On the first day, a holy occasion.”

Not to do work on the first day of the Feast (of Tabernacles), as it is said concerning it, “Ye shall do no servile work” (ibid. 23:35).