Ezra 4:22

Be sure to do this with all care. Do not let trouble increase to damage the king.

Ezra 4:13

The king may be certain that when the town and its wall are completely rebuilt they will pay no tax or payment in goods or forced payments, and in the end it will be a cause of loss to the kings.

Esther 3:8-9

Haman said to King Ahasuerus, There is a nation living here and there in small groups among the people in all the divisions of your kingdom. Their laws are different from those of any other nation. They do not keep the king's laws. For this reason it is not right for the king to let them be.

Esther 7:3-4

Esther the queen, answered: If I have your approval, O king, and if it is the king's pleasure, let my life be given to me in answer to my petition. My people at my request:

Treasury of Scripture Knowledge

Summary

Take heed now that ye fail not to do this: why should damage grow to the hurt of the kings?

General references

Bible References

Why should

Ezra 4:13
The king may be certain that when the town and its wall are completely rebuilt they will pay no tax or payment in goods or forced payments, and in the end it will be a cause of loss to the kings.
Esther 3:8
Haman said to King Ahasuerus, There is a nation living here and there in small groups among the people in all the divisions of your kingdom. Their laws are different from those of any other nation. They do not keep the king's laws. For this reason it is not right for the king to let them be.
Esther 7:3
Esther the queen, answered: If I have your approval, O king, and if it is the king's pleasure, let my life be given to me in answer to my petition. My people at my request:

General references

Luke 20:22
Is it right for us to pay taxes to Caesar or not?