Daniel 6:8

6:8 Now, O king, establish the interdict, and sign the writing, that it not be changed, according to the law of the Medes and Persians, which doesn't alter.
-World English Bible

Other Translation

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 altereth not.
-King James Version