None. As I told to a judge in a criminal case I was asked to testify: if you want I can swear with a hand on the Bible or promise I will tell only the truth, bu

None. As I told to a judge in a criminal case I was asked to testify: if you want I can swear with a hand on the Bible or promise I will tell only the truth, but I don't believe in any of these. You can trust my word or not, these are the only options. No matter how many codes you have in place, there is no way to guarantee they will be respected by everybody at all times. That does not mean I ever did something wrong by intention in any job that I had, but this is coming from my principles of life, not because laws or codes.