According to most professional associations' codes of ethics.

According to most professional associations' codes of ethics, licensed professionals are indeed expected to maintain their competence, advance their field, and support the professional development of their subordinates. However, there is no standard requirement for professionals to keep a journal and record of what they have learned for the purpose of reporting personal development. While personal development and ongoing learning are encouraged, the specific act of maintaining a learning journal is not a typically mandated ethical requirement across professional associations​​.