וְהִקְרַבְתֶּ֥ם אִשֶּׁ֛ה לַיהוָ֖ה שִׁבְעַ֣ת יָמִ֑ים בַּיּ֤וֹם הַשְּׁבִיעִי֙ מִקְרָא־קֹ֔דֶשׁ כָּל־מְלֶ֥אכֶת עֲבֹדָ֖ה לֹ֥א תַעֲשֽׂוּ׃ (פ)
你們要將火祭獻給永恆者七日；第七日是聖會；任何勞役的工作你們都不可做。
Sifra
5) (Vayikra 23:8) "And you shall present a fire-offering to the L–rd for seven days." Whence is it derived that if you have no bullocks, bring rams; if you have no rams, bring sheep; if you have no clean ones, bring unclean ones? From "And you shall present a fire-offering to the L–rd" — in any event.