1 Kings 2:43

Why then hast thou not kept the oath of the LORD and the commandment that I have charged thee with?

2 Samuel 21:2

And the king called the Gibeonites and said unto them: (now the Gibeonites were not of the sons of Israel, but of the remnant of the Amorites; and the sons of Israel had sworn unto them, and Saul had sought to slay them in his zeal for the sons of Israel and Judah).

2 Chronicles 30:12

Also in Judah the hand of God was to give them one heart to do the commandment of the king and of the princes, according to the word of the LORD.

Ecclesiastes 8:2

I counsel thee to keep the king's commandment and the word of the covenant that thou hast made with God.

Ezekiel 17:18-19

seeing he despised the oath to invalidate the covenant when, behold, he had given his hand and has done all these things, he shall not escape.

Romans 13:5

Therefore it is necessary that ye be subject, not only for punishment, but also for conscience sake.

Treasury of Scripture Knowledge

Summary

Why then hast thou not kept the oath of the LORD, and the commandment that I have charged thee with?

Bible References

Why

2 Samuel 21:2
And the king called the Gibeonites and said unto them: (now the Gibeonites were not of the sons of Israel, but of the remnant of the Amorites; and the sons of Israel had sworn unto them, and Saul had sought to slay them in his zeal for the sons of Israel and Judah).
Ezekiel 17:18
seeing he despised the oath to invalidate the covenant when, behold, he had given his hand and has done all these things, he shall not escape.

Commandment

2 Chronicles 30:12
Also in Judah the hand of God was to give them one heart to do the commandment of the king and of the princes, according to the word of the LORD.
Ecclesiastes 8:2
I counsel thee to keep the king's commandment and the word of the covenant that thou hast made with God.
Romans 13:5
Therefore it is necessary that ye be subject, not only for punishment, but also for conscience sake.