וַיֹּ֥אמֶר יְהוָ֖ה אֶל־מֹשֶׁ֑ה נָשִׂ֨יא אֶחָ֜ד לַיּ֗וֹם נָשִׂ֤יא אֶחָד֙ לַיּ֔וֹם יַקְרִ֙יבוּ֙ אֶת־קָרְבָּנָ֔ם לַחֲנֻכַּ֖ת הַמִּזְבֵּֽחַ׃ (ס)
And the LORD said unto Moses: ‘They shall present their offering each prince on his day, for the dedication of the altar.’
Read halakhic rulings (Jewish law) on Numbers 7:11: and classical halakhic sources.