Therefore, those social workers can reduce their professional expenses by not applying for licenses and can have more disposable income. There is no point in having a license if it is not needed for one's job. Most states recognize test scores on the American Association of State Social Work Boards licensing examinations, no matter where they are taken. That is, if one is licensed in one state, that license can be transferred to and recognized in all others. Social work licensing examinations may require knowledge of mental health diagnosis.
Professional ethics are a major feature of all professions.
Professional ethics and codes of conduct are built into the associations to which professionals belong and in the licensing regulations for all professions which are set by the states.