King James Version
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.English Standard Version
Now, O king, establish the injunction and sign the document, so that it cannot be changed, according to the law of the Medes and the Persians, which cannot be revoked."New International Version
Now, O king, issue the decree and put it in writing so that it cannot be altered-in accordance with the laws of the Medes and Persians, which cannot be repealed."