1 Timothy 5:19

Against an elder receive not an accusation, except on the testimony of two or three witnesses.

Matthew 18:16

but, if he hear you not, take with you yet one or two, that at the mouth of two witnesses or three, every word may be established.

John 8:17

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

John 18:29

Pilate, therefore, went out to them, and says, "What accusation do ye bring against this Man?"

Acts 11:30

which also they did, sending it to the elders through the hands of Barnabas and Saul.

Acts 24:2-13

And, he having been called, Tertullus began to accuse him, saying, "Seeing that, through you, we enjoy great peace, and reforms accrue to this nation through your forethought,

Acts 25:16

to whom I made answer, It is not a custom with Romans to grant as a favor any man, before the accused has the accuser face to face, and has opportunity to answer for himself concerning the charge laid against him.

2 Corinthians 13:1

This is the third time I am coming to you. At the mouth of two witnesses, and of three, shall every word be established.

Titus 1:6

if anyone is blameless, a husband of one wife, having believing children not in accusation of rioting, or unruly.

Hebrews 10:28

Anyone, having set aside Moses' law, dies 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
Pilate, therefore, went out to them, and says, "What accusation do ye bring against this Man?"
Acts 24:2
And, he having been called, Tertullus began to accuse him, saying, "Seeing that, through you, we enjoy great peace, and reforms accrue to this nation through your forethought,
Acts 25:16
to whom I made answer, It is not a custom with Romans to grant as a favor any man, before the accused has the accuser face to face, and has opportunity to answer for himself concerning the charge laid against him.
Titus 1:6
if anyone is blameless, a husband of one wife, having believing children not in accusation of rioting, or unruly.

Two

Matthew 18:16
but, if he hear you not, take with you yet one or two, that at the mouth of two witnesses or three, every word may be established.
John 8:17
And in your law also it has been written, 'The testimony of two men is true.'
2 Corinthians 13:1
This is the third time I am coming to you. At the mouth of two witnesses, and of three, shall every word be established.
Hebrews 10:28
Anyone, having set aside Moses' law, dies without mercy on the testimony of two or three witnesses;