Leviticus 6:3

Or has taken a false oath about the loss of something which he has come across by chance; if a man has done any of these evil things,

Exodus 23:4

If you come across the ox or the ass of one who is no friend to you wandering from its way, you are to take it back to him

Leviticus 19:12

And do not take an oath in my name falsely, putting shame on the name of your God: I am the Lord.

Exodus 22:9-11

In any question about an ox or an ass or a sheep or clothing, or about the loss of any property which anyone says is his, let the two sides put their cause before God; and he who is judged to be in the wrong is to make payment to his neighbour of twice the value.

Deuteronomy 22:1-4

If you see your brother's ox or his sheep wandering, do not go by without helping, but take them back to your brother.

Proverbs 30:9

For fear that if I am full, I may be false to you and say, Who is the Lord? or if I am poor, I may become a thief, using the name of my God wrongly.

Jeremiah 5:2

And though they say, By the living Lord; truly their oaths are false.

Jeremiah 7:9

Will you take the goods of others, put men to death, and be untrue to your wives, and take false oaths, and have perfumes burned to the Baal, and go after other gods which are strange to you;

Zechariah 5:4

And I will send it out, says the Lord of armies, and it will go into the house of the thief and into the house of him who takes a false oath by my name: and it will be in his house, causing its complete destruction, with its woodwork and its stones.

Malachi 3:5

And I will come near to you for judging; I will quickly be a witness against the wonder-workers, against those who have been untrue in married life, against those who take false oaths; against those who keep back from the servant his payment, and who are hard on the widow and the child without a father, who do not give his rights to the man from a strange country, and have no fear of me, says the Lord of armies.

Treasury of Scripture Knowledge

Summary

Or have found that which was lost, and lieth concerning it, and sweareth falsely; in any of all these that a man doeth, sinning therein:

Bible References

Have found

Exodus 23:4
If you come across the ox or the ass of one who is no friend to you wandering from its way, you are to take it back to him
Deuteronomy 22:1
If you see your brother's ox or his sheep wandering, do not go by without helping, but take them back to your brother.

Sweareth

Leviticus 19:12
And do not take an oath in my name falsely, putting shame on the name of your God: I am the Lord.
Exodus 22:9
In any question about an ox or an ass or a sheep or clothing, or about the loss of any property which anyone says is his, let the two sides put their cause before God; and he who is judged to be in the wrong is to make payment to his neighbour of twice the value.
Proverbs 30:9
For fear that if I am full, I may be false to you and say, Who is the Lord? or if I am poor, I may become a thief, using the name of my God wrongly.
Jeremiah 5:2
And though they say, By the living Lord; truly their oaths are false.
Jeremiah 7:9
Will you take the goods of others, put men to death, and be untrue to your wives, and take false oaths, and have perfumes burned to the Baal, and go after other gods which are strange to you;
Zechariah 5:4
And I will send it out, says the Lord of armies, and it will go into the house of the thief and into the house of him who takes a false oath by my name: and it will be in his house, causing its complete destruction, with its woodwork and its stones.
Malachi 3:5
And I will come near to you for judging; I will quickly be a witness against the wonder-workers, against those who have been untrue in married life, against those who take false oaths; against those who keep back from the servant his payment, and who are hard on the widow and the child without a father, who do not give his rights to the man from a strange country, and have no fear of me, says the Lord of armies.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain