Read the following scenario and answer the question that follows:

Terry has just completed his LLB degree, and he is now working as a candidate attorney at a big law firm in Pretoria. One Saturday morning, Terry and his mother, who is a nurse, discuss their respective professions and how they are being regulated. Terry tells his mother that he (Terry), as a candidate attorney, is suspicious of legal codes.

Name and discuss the two types of concerns that Terry may have with legal codes and indicate whether these concerns are valid or not.