Romans 3:26

for the showing, I say , of his righteousness at this present season: that he might himself be just, and the justifier of him that hath faith in Jesus.

Deuteronomy 32:4

The Rock, his work is perfect; For all his ways are justice: A God of faithfulness and without iniquity, Just and right is he.

Psalm 85:10-11

Mercy and truth are met together; Righteousness and peace have kissed each other.

Isaiah 42:21

It pleased Jehovah, for his righteousness'sake, to magnify the law, and make it honorable.

Isaiah 45:21

Declare ye, and bring it forth; yea, let them take counsel together: who hath showed this from ancient time? who hath declared it of old? have not I, Jehovah? and there is no God else besides me, a just God and a Saviour; there is none besides me.

Zephaniah 3:5

Jehovah in the midst of her is righteous; he will not do iniquity; every morning doth he bring his justice to light, he faileth not; but the unjust knoweth no shame.

Zephaniah 3:15

Jehovah hath taken away thy judgments, he hath cast out thine enemy: the King of Israel, even Jehovah, is in the midst of thee; thou shalt not fear evil any more.

Zechariah 9:9

Rejoice greatly, O daughter of Zion; shout, O daughter of Jerusalem: behold, thy king cometh unto thee; he is just, and having salvation; lowly, and riding upon an ass, even upon a colt the foal of an ass.

Acts 13:38-39

Be it known unto you therefore, brethren, that through this man is proclaimed unto you remission of sins:

Romans 3:30

if so be that God is one, and he shall justify the circumcision by faith, and the uncircumcision through faith.

Romans 4:5

But to him that worketh not, but believeth on him that justifieth the ungodly, his faith is reckoned for righteousness.

Romans 8:33

Who shall lay anything to the charge of God's elect? It is God that justifieth;

Galatians 3:8-14

And the scripture, foreseeing that God would justify the Gentiles by faith, preached the gospel beforehand unto Abraham,'saying, In thee shall all the nations be blessed.

Revelation 15:3

And they sing the song of Moses the servant of God, and the song of the Lamb, saying, Great and marvellous are thy works, O Lord God, the Almighty; righteous and true are thy ways, thou King of the ages.

Treasury of Scripture Knowledge

Summary

To declare, I say, at this time his righteousness: that he might be just, and the justifier of him which believeth in Jesus.

Bible References

That he

Deuteronomy 32:4
The Rock, his work is perfect; For all his ways are justice: A God of faithfulness and without iniquity, Just and right is he.
Psalm 85:10
Mercy and truth are met together; Righteousness and peace have kissed each other.
Isaiah 42:21
It pleased Jehovah, for his righteousness'sake, to magnify the law, and make it honorable.
Isaiah 45:21
Declare ye, and bring it forth; yea, let them take counsel together: who hath showed this from ancient time? who hath declared it of old? have not I, Jehovah? and there is no God else besides me, a just God and a Saviour; there is none besides me.
Zephaniah 3:5
Jehovah in the midst of her is righteous; he will not do iniquity; every morning doth he bring his justice to light, he faileth not; but the unjust knoweth no shame.
Zechariah 9:9
Rejoice greatly, O daughter of Zion; shout, O daughter of Jerusalem: behold, thy king cometh unto thee; he is just, and having salvation; lowly, and riding upon an ass, even upon a colt the foal of an ass.
Acts 13:38
Be it known unto you therefore, brethren, that through this man is proclaimed unto you remission of sins:
Revelation 15:3
And they sing the song of Moses the servant of God, and the song of the Lamb, saying, Great and marvellous are thy works, O Lord God, the Almighty; righteous and true are thy ways, thou King of the ages.

And

Romans 3:30
if so be that God is one, and he shall justify the circumcision by faith, and the uncircumcision through faith.
Romans 4:5
But to him that worketh not, but believeth on him that justifieth the ungodly, his faith is reckoned for righteousness.
Romans 8:33
Who shall lay anything to the charge of God's elect? It is God that justifieth;
Galatians 3:8
And the scripture, foreseeing that God would justify the Gentiles by faith, preached the gospel beforehand unto Abraham,'saying, In thee shall all the nations be blessed.

General references

Leviticus 16:14
and he shall take of the blood of the bullock, and sprinkle it with his finger upon the mercy-seat on the east; and before the mercy-seat shall he sprinkle of the blood with his finger seven times.
Numbers 7:15
one young bullock, one ram, one he-lamb a year old, for a burnt-offering;
Romans 3:28
We reckon therefore that a man is justified by faith apart from the works of the law.

American Standard Version Public Domain