In the first month: This seems to enjoin, not a mere dedication, but an annual purification of the sanctuary; of which there is nothing said in the Mosaic law. Exo 12:2; Num 28:11-15; Mat 6:33
without blemish: Lev 22:20; Heb 7:26, Heb 9:14; 1Pe 1:19
and cleanse: Eze 43:22, Eze 43:26; Lev 16:16, Lev 16:33; Heb 9:22-25, Heb 10:3-4, Heb 10:19-22