Yet if truly these are questions about a word and names and your law, you should see to it yourselves. I will not be the judge of such things.
Other versions
King James Version
But if it be a question of words and names, and of your law, look ye to it; for I will be no judge of such matters.English Standard Version
But since it is a matter of questions about words and names and your own law, see to it yourselves. I refuse to be a judge of these things."New International Version
But since it involves questions about words and names and your own law--settle the matter yourselves. I will not be a judge of such things."