וּבְנֵ֤י אַהֲרֹן֙ הַכֹּ֣הֲנִ֔ים יִתְקְע֖וּ בַּֽחֲצֹצְר֑וֹת וְהָי֥וּ לָכֶ֛ם לְחֻקַּ֥ת עוֹלָ֖ם לְדֹרֹתֵיכֶֽם׃
Targum Jonathan on Numbers
The sons of Aharon, the priests only, shall blow with the trumpets, which shall be to you, for a perpetual statute for your generations.