Ezekiel
Ezekiel 43:18ESV·traditional attribution

And he said to me, “Son of man, thus says the Lord GOD: These are the ordinances for the altar: On the day when it is erected for offering burnt offerings upon it and for throwing blood against it,

Matthew Henry Presbyterian @wholebiblehenry

This relates to the altar in this mystical temple, and that is mystical too; for Christ is our altar. The Jews, after their return out of captivity, had an altar long before they had a temple, Ezr 3:3. But this was an altar in the temple. Now here we have, I. The measures of the altar, Eze 43:13.

Commenting on Ezekiel 43:13-27

John Gill Reformed Baptist @doctorgill

And he said unto me, son of man, thus saith the Lord God,.... This is the voice of the Lord continued, speaking out of the house to the prophet; see Eze 43:6, these are the ordinances of the altar: not what go before, concerning the measures of it, but what follow, concerning the sacrifices to be offered on it: in the day when they shall...

Jamieson-Fausset-Brown Reformed @jfbcommentary

The sacrifices here are not mere commemorative, but propitiatory ones. The expressions, "blood" (Eze 43:18), and "for a sin offering (Eze 43:19, Eze 43:21-22), prove this. In the literal sense they can only apply to the second temple. Under the Christian dispensation they would directly oppose the doctrine taught in Heb. 10:1-18, namely, that Christ has by one offering for ever atoned for sin.