Tosefta for Leviticus 4:22

אֲשֶׁ֥ר נָשִׂ֖יא יֶֽחֱטָ֑א וְעָשָׂ֡ה אַחַ֣ת מִכָּל־מִצְוֺת֩ יְהוָ֨ה אֱלֹהָ֜יו אֲשֶׁ֧ר לֹא־תֵעָשֶׂ֛ינָה בִּשְׁגָגָ֖ה וְאָשֵֽׁם׃

When a ruler sinneth, and doeth through error any one of all the things which the LORD his God hath commanded not to be done, and is guilty:

Tosefta Bava Kamma