The Insights Association "Code of Ethics: Responsibilities to Subjects and Clients" discusses the ethics of collecting data from subjects and on the behalf of clients. Which of the following is NOT considered a responsibility to either subjects or clients?

A$)$ Always distinguish between research and non$-$research activities so as to maintain public confidence in the integrity of research.

B$)$ Only inform clients when a project is conducted on behalf of more than one client.

C$)$ Respect the rights and well$-$being of data subjects and make all reasonable efforts to ensure that data subjects are not harmed, disadvantaged or harassed as a result of their participation in research.

D$)$ Not use any data collected solely for a specific client for any other purpose without permission.