Casual of research shows that the ACM's Code of Ethics can be traced back to its Guidelines for Professional Conduct in Information Processing dating back to 19

Casual of research shows that the ACM's Code of Ethics can be traced back to its Guidelines for Professional Conduct in Information Processing dating back to 1966 (https://www.acm.org/code-of-ethics/1966-acm-code https://www.acm.org/code-of-ethics/1966-acm-code) and the IEEE's Code of Ethics can be traced back to a precursor organization's Code of Professional Conduct dating to 1912.