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. Exodus 12:2; Numbers 28:11-15; Matthew 6:33
without blemish: Leviticus 22:20; Hebrews 7:26, Hebrews 9:14; 1 Peter 1:19