Hebrews 7:12

Now no doubt, if the priesthood be translated, then of necessity must the law be translated also.

Isaiah 66:21

And I shall take out certain of them for to be priests and Levites, sayeth the LORD.

Jeremiah 31:31-34

Behold, the days come, sayeth the LORD, that I will make a new covenant with the house of Israel and with the house of Judah:

Ezekiel 16:61

So that thou also remember thy ways, and be ashamed of them. Then shalt thou receive of me thy elder and younger sisters, whom I will make thy daughters: and that beside thy covenant.

Acts 6:13-14

and brought forth false witnesses which said, "This man ceaseth not to speak blasphemous words against this holy place and the law,

Treasury of Scripture Knowledge

Summary

For the priesthood being changed, there is made of necessity a change also of the law.

Bible References

A change

Isaiah 66:21
And I shall take out certain of them for to be priests and Levites, sayeth the LORD.
Jeremiah 31:31
Behold, the days come, sayeth the LORD, that I will make a new covenant with the house of Israel and with the house of Judah:
Ezekiel 16:61
So that thou also remember thy ways, and be ashamed of them. Then shalt thou receive of me thy elder and younger sisters, whom I will make thy daughters: and that beside thy covenant.
Acts 6:13
and brought forth false witnesses which said, "This man ceaseth not to speak blasphemous words against this holy place and the law,