Final answer:
Whether extreme, eccentric, or faddish haircuts or hairstyles are authorized depends on the specific dress codes or grooming policies of an institution, which can vary among educational, military, or professional organizations to maintain a standard of appearance.
Step-by-step explanation:
The question about whether extreme, eccentric, or faddish haircuts or hairstyles are authorized pertains to dress codes or grooming policies, which may be found in educational institutions, military settings, or in the workplace. Usually, these policies are set by organizations to maintain a certain standard of appearance amongst its members. Authorization of haircuts or hairstyles often depends on the specific rules and regulations of the organization in question. For instance, schools may have dress codes that deem certain hairstyles as distraction to the educational environment. Similarly, in military or some professional settings, extreme or faddish hairstyles may not be permitted in order to preserve a uniform look and to maintain discipline.