KJV:

18 Thus saith the Lord GOD; In the first month, in the first day of the month, thou shalt take a young bullock without blemish, and cleanse the sanctuary:

19 And the priest shall take of the blood of the sin offering, and put it upon the posts of the house, and upon the four corners of the settle of the altar, and upon the posts of the gate of the inner court.

20 And so thou shalt do the seventh day of the month for every one that erreth, and for him that is simple: so shall ye reconcile the house.

NASB:

18 'Thus says the Lord GOD, "In the first month, on the first of the month, you shall take a young bull without blemish and cleanse the sanctuary.
19 "The priest shall take some of the blood from the sin offering and put it on the door posts of the house, on the four corners of the ledge of the altar and on the posts of the gate of the inner court.
20 "Thus you shall do on the seventh day of the month for everyone who goes astray or is naive; so you shall make atonement for the house.

‫יח  כֹּה-אָמַר, אֲדֹנָי יְהוִה, בָּרִאשׁוֹן בְּאֶחָד לַחֹדֶשׁ, תִּקַּח פַּר-בֶּן-בָּקָר תָּמִים; וְחִטֵּאתָ, אֶת-הַמִּקְדָּשׁ.

‫יט  וְלָקַח הַכֹּהֵן מִדַּם הַחַטָּאת, וְנָתַן אֶל-מְזוּזַת הַבַּיִת, וְאֶל-אַרְבַּע פִּנּוֹת הָעֲזָרָה, לַמִּזְבֵּחַ; וְעַל-מְזוּזַת--שַׁעַר, הֶחָצֵר הַפְּנִימִית.

‫כ  וְכֵן תַּעֲשֶׂה בְּשִׁבְעָה בַחֹדֶשׁ, מֵאִישׁ שֹׁגֶה וּמִפֶּתִי; וְכִפַּרְתֶּם, אֶת-הַבָּיִת.