1 Timothy 5:19

Do not accept an accusation against an elder except on the evidence of two or three witnesses.

Deuteronomy 19:15

{The testimony of a single witness may not be used to convict} [with respect to] any crime and for any wrongdoing in any offense that a person committed; on the {evidence} of two witnesses or on the {evidence} of three witnesses {a charge shall be sustained}.

Matthew 18:16

But if he does not listen, take with you in addition one or two [others], so that by {the testimony} of two or three witnesses every matter may be established.

Deuteronomy 17:6

{On the evidence of} two or three witnesses {the person shall be put to death}. The person shall not be put to death by the mouth of one witness.

Deuteronomy 19:18-19

Then judges shall make a thorough inquiry, and [if] it turns out that the witness is a false witness [and] he testified falsely against his brother,

John 8:17

And even in your law it is written that the testimony of two men is true.

John 18:29

So Pilate came outside to them and said, "What accusation do you bring against this man?"

Acts 11:30

which they also did, sending [the aid] to the elders by the hand of Barnabas and Saul.

Acts 24:2-13

And [when] he had been summoned, Tertullus began to accuse [him], saying, "We have experienced much peace through you, and reforms are taking place in this nation through your foresight.

Acts 25:16

To {them} I replied that it was not the custom of the Romans to give up any man before the one who had been accused met [his] accusers face to [face] and received an opportunity for a defense concerning the accusation.

2 Corinthians 13:1

This [is] the third [time] I am coming to you. {By the testimony} of two or three witnesses every word will be established.

Titus 1:6

If anyone is blameless, [the] husband of one wife, having faithful children, not {accused of dissipation} or rebellious.

Hebrews 10:28

Anyone who rejected the law of Moses 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
So Pilate came outside to them and said, "What accusation do you bring against this man?"
Acts 24:2
And [when] he had been summoned, Tertullus began to accuse [him], saying, "We have experienced much peace through you, and reforms are taking place in this nation through your foresight.
Acts 25:16
To {them} I replied that it was not the custom of the Romans to give up any man before the one who had been accused met [his] accusers face to [face] and received an opportunity for a defense concerning the accusation.
Titus 1:6
If anyone is blameless, [the] husband of one wife, having faithful children, not {accused of dissipation} or rebellious.

Two

Deuteronomy 17:6
{On the evidence of} two or three witnesses {the person shall be put to death}. The person shall not be put to death by the mouth of one witness.
Deuteronomy 19:15
{The testimony of a single witness may not be used to convict} [with respect to] any crime and for any wrongdoing in any offense that a person committed; on the {evidence} of two witnesses or on the {evidence} of three witnesses {a charge shall be sustained}.
Matthew 18:16
But if he does not listen, take with you in addition one or two [others], so that by {the testimony} of two or three witnesses every matter may be established.
John 8:17
And even in your law it is written that the testimony of two men is true.
2 Corinthians 13:1
This [is] the third [time] I am coming to you. {By the testimony} of two or three witnesses every word will be established.
Hebrews 10:28
Anyone who rejected the law of Moses dies without mercy on [the testimony of] two or three witnesses.

General references

Genesis 9:23
Then Shem and Japheth took a garment, and the two of them put [it] on [their] shoulders and, walking backward, they covered the nakedness of their father. And their faces [were turned] backward, so that they did not see the nakedness of their father.
Numbers 35:30
" 'If anyone kills a person, the killer will be put to death {according to the testimony} of witnesses, but someone cannot die on testimony of one person.
Deuteronomy 13:14
then you shall inquire and examine and interrogate thoroughly, and, look! [It is] true; the thing has actually been done, this detestable thing in your midst,
Deuteronomy 17:6
{On the evidence of} two or three witnesses {the person shall be put to death}. The person shall not be put to death by the mouth of one witness.