Танах к Дварим 16:8

שֵׁ֥שֶׁת יָמִ֖ים תֹּאכַ֣ל מַצּ֑וֹת וּבַיּ֣וֹם הַשְּׁבִיעִ֗י עֲצֶ֙רֶת֙ לַיהוָ֣ה אֱלֹהֶ֔יךָ לֹ֥א תַעֲשֶׂ֖ה מְלָאכָֽה׃ (ס)

Шесть дней ешь опресноки; и в седьмой день будет торжественное собрание Господу Богу твоему; не делай в нем работы;

Exodus

You must eat matzos for seven days, but before the first day you must remove [all] leaven from your homes; for anyone who eats chametz, that soul will be cut off from Yisrael. [Chametz is forbidden] from the first day [of Pesach] until [after] the seventh day.

Exodus

The first day shall be a holy assembly and the seventh day shall be a holy assembly to you. No work shall be done on them, only for [the preparation of food] which will be eaten by every person, that alone may be done for you.

Leviticus

Adonoy spoke to Moshe, saying,