1 Timothy 5:19

Against an elder receive not an accusation from without, except from two or three witnesses.

Deuteronomy 19:15

One witness shall not rise up against a man for any iniquity, and for any sin, in any sin which he shall sin; by the mouth of two witnesses or by the mouth of three witnesses the word shall be established.

Matthew 18:16

But if he hear thee not, take with thee yet one or two, that at the mouth of two or three witnesses every word might stand.

Deuteronomy 17:6

At the mouth of two witnesses or three witnesses they shall be put to death; they shall not die by the mouth of one witness.

Deuteronomy 19:18-19

And the judges sought out diligently; and behold, a witness of falsehood, the witness of falsehood testified against his brother;

John 8:17

And also in your law has it been written, that the testimony of two men is true.

John 18:29

Then went Pilate out to them, and said, What accusation bring ye against this man

Acts 11:30

Which also they did, having sent to the elders by the hands of Barnabas and Saul.

Acts 24:2-13

And he having been called, Tertullus began to accuse, saying,

Acts 25:16

To whom I answered, That it is not the custom to Romans to yield up any man to destruction, before that the accused may have the accusers before the face, and take place for defence for the accusation.

2 Corinthians 13:1

This third I come to you. By mouth of two witnesses, and three, shall every word be established.

Titus 1:6

If any be irreproachable, the husband of one wife, having faithful children, not in accusation of licentiousness, or disorderly.

Hebrews 10:28

Any one having rejected Moses' law, without compassion dies by two or three witnesses:

Treasury of Scripture Knowledge

Summary

Against an elder receive not an accusation, but before two or three witnesses.

Bible References

Receive

John 18:29
Then went Pilate out to them, and said, What accusation bring ye against this man
Acts 24:2
And he having been called, Tertullus began to accuse, saying,
Acts 25:16
To whom I answered, That it is not the custom to Romans to yield up any man to destruction, before that the accused may have the accusers before the face, and take place for defence for the accusation.
Titus 1:6
If any be irreproachable, the husband of one wife, having faithful children, not in accusation of licentiousness, or disorderly.

Two

Deuteronomy 17:6
At the mouth of two witnesses or three witnesses they shall be put to death; they shall not die by the mouth of one witness.
Deuteronomy 19:15
One witness shall not rise up against a man for any iniquity, and for any sin, in any sin which he shall sin; by the mouth of two witnesses or by the mouth of three witnesses the word shall be established.
Matthew 18:16
But if he hear thee not, take with thee yet one or two, that at the mouth of two or three witnesses every word might stand.
John 8:17
And also in your law has it been written, that the testimony of two men is true.
2 Corinthians 13:1
This third I come to you. By mouth of two witnesses, and three, shall every word be established.
Hebrews 10:28
Any one having rejected Moses' law, without compassion dies by two or three witnesses:

General references

Genesis 9:23
And Shem and Japheth will take a garment and they will put upon their two shoulders, and will go backwards and will cover the nakedness of their father: and their faces backwards, and they will not see the nakedness of their father.
Numbers 35:30
Every one striking a soul by the mouth of witnesses, he shall slay the slayer: and one witness shall not testify against a soul to die.
Deuteronomy 13:14
And seek, and examine, and ask, doing well; and behold, the truth and the word certain this abomination being done in the midst of you;
Deuteronomy 17:6
At the mouth of two witnesses or three witnesses they shall be put to death; they shall not die by the mouth of one witness.