If a member or candidate is uncertain about the appropriate course of action with respect to a client, the member or candidate should ask what he or she would expect or demand if the member or candidate were the client. (Level II Volume 1 Ethical and Professional Standards, Quantitative Methods, and Economics , 5th Edition. Pearson Learning Solutions p. 67).
Is this put yourself in his shoes versus put himself in your shoes? I think that’s what they are saying.