After years of avoidance, many organizations are struggling to make their computer systems year 2000 compliant. There is little question thatmeeting the year 2000 challenge is important from a business perspective since the survival of organizations may depend on it. However, a second, more neglected concern is whether system developers and their organizations have an ethical obligation to address the year 2000 problem. This paper examines three codes of ethics for information systems professionals to draw conclusions about this issue.