וְאֶל־הַלְוִיִּ֣ם תְּדַבֵּר֮ וְאָמַרְתָּ֣ אֲלֵהֶם֒ כִּֽי־תִ֠קְחוּ מֵאֵ֨ת בְּנֵֽי־יִשְׂרָאֵ֜ל אֶת־הַֽמַּעֲשֵׂ֗ר אֲשֶׁ֨ר נָתַ֧תִּי לָכֶ֛ם מֵאִתָּ֖ם בְּנַחֲלַתְכֶ֑ם וַהֲרֵמֹתֶ֤ם מִמֶּ֙נּוּ֙ תְּרוּמַ֣ת יְהוָ֔ה מַעֲשֵׂ֖ר מִן־הַֽמַּעֲשֵֽׂר׃
’Moreover thou shalt speak unto the Levites, and say unto them: When ye take of the children of Israel the tithe which I have given you from them for your inheritance, then ye shall set apart of it a gift for the LORD, even a tithe of the tithe.
Related passages and parallel verses for Numbers 18:26.