1 Timothy 5:19

Receive not an accusation against an old man, unless before two or three witnesses.

Matthew 18:16

But if he will not hear you, take with you one or two more, that, by the mouth of two or three witnesses, every word may be established.

John 8:17

It is also written in your law, The testimony of two is worthy of credit.

John 18:29

Then Pilate came out to them, and said: What accusation do you bring against this man?

Acts 11:30

which also they did; and they sent it to the elders by the hands of Barnabas and Saul.

Acts 24:2-13

And when he was called forth, Tertullus began to accuse him, saying:

Acts 25:16

I replied to them, that it is not the custom of the Romans to deliver any man up to death, before the accused has had his accusers face to face, and has had an opportunity to answer concerning the charge that is against him.

2 Corinthians 13:1

The third time am I coming to you. By the mouth of two or three witnesses, every matter shall be established.

Titus 1:6

if any one is blameless, the husband of one wife, if he has faithful children that are not accused of riotous living, or disobedient.

Hebrews 10:28

He that despised Moses law, died without mercy, on the testimony of 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 Pilate came out to them, and said: What accusation do you bring against this man?
Acts 24:2
And when he was called forth, Tertullus began to accuse him, saying:
Acts 25:16
I replied to them, that it is not the custom of the Romans to deliver any man up to death, before the accused has had his accusers face to face, and has had an opportunity to answer concerning the charge that is against him.
Titus 1:6
if any one is blameless, the husband of one wife, if he has faithful children that are not accused of riotous living, or disobedient.

Two

Matthew 18:16
But if he will not hear you, take with you one or two more, that, by the mouth of two or three witnesses, every word may be established.
John 8:17
It is also written in your law, The testimony of two is worthy of credit.
2 Corinthians 13:1
The third time am I coming to you. By the mouth of two or three witnesses, every matter shall be established.
Hebrews 10:28
He that despised Moses law, died without mercy, on the testimony of two or three witnesses: