Daniel 6:12

Then they came near, and spoke before the king concerning the king's decree: Hast thou not signed a decree, that every man that shall ask anything of any god or man within thirty days, except of thee, O king, shall be cast into the den of lions? The king answered and said, The thing is true, according to the law of the Medes and Persians, which may not be revoked.

Daniel 6:8

Now, O king, establish the decree, and sign the writing, that it be not changed, according to the law of the Medes and Persians, which may not be revoked.

Esther 1:19

If it please the king, let a royal order go forth from him, and let it be written among the laws of the Persians and the Medes, that it may not pass, That Vashti come no more before king Ahasuerus; and let the king give her royal estate to another that is better than she;

Daniel 3:8-12

Whereupon at that time certain Chaldeans came near, and accused the Jews.

Acts 16:19

And her masters, seeing that the hope of their gains was gone, having seized Paul and Silas, dragged them into the market before the magistrates;

Acts 16:24

who, having received such a charge, cast them into the inner prison, and secured their feet to the stocks.

Acts 24:2-9

And he having been called, Tertullus began to accuse, saying, Seeing we enjoy great peace through thee, and that excellent measures are executed for this nation by thy forethought,

Treasury of Scripture Knowledge

Summary

Then they came near, and spake before the king concerning the king's decree; Hast thou not signed a decree, that every man that shall ask a petition of any God or man within thirty days, save of thee, O king, shall be cast into the den of lions? The king answered and said, The thing is true, according to the law of the Medes and Persians, which altereth not.

Bible References

They

Daniel 3:8
Whereupon at that time certain Chaldeans came near, and accused the Jews.
Acts 16:19
And her masters, seeing that the hope of their gains was gone, having seized Paul and Silas, dragged them into the market before the magistrates;
Acts 24:2
And he having been called, Tertullus began to accuse, saying, Seeing we enjoy great peace through thee, and that excellent measures are executed for this nation by thy forethought,

The thing

Daniel 6:8
Now, O king, establish the decree, and sign the writing, that it be not changed, according to the law of the Medes and Persians, which may not be revoked.
Esther 1:19
If it please the king, let a royal order go forth from him, and let it be written among the laws of the Persians and the Medes, that it may not pass, That Vashti come no more before king Ahasuerus; and let the king give her royal estate to another that is better than she;