Pre-Code: When did Batman stop killing?

Batman kills nowadays. He did when he was first written. Any Specific!!! ideas when he originally stopped?
Was it Pre-Code?

That’s interesting, I remember hearing the same thing about the killing but I never looked into it. I know that a lot of the early stuff is on here though so you might be able to read through it and find out. I’m kinda curious myself now so if I end up finding out I’ll update.