Under which circumstance may a Realtor reveal confidential information, according to the NAR code of ethics?

According to the NAR code of ethics, a Realtor may reveal confidential information only when given full informed consent by the client. This is to ensure that the client's trust and confidentiality is respected and protected. Option A is incorrect because revealing confidential information solely for the benefit of the Realtor goes against the ethical principles of the profession. Option C is incorrect because financial disputes should not be a determining factor in the disclosure of confidential information. Option D is incorrect because the Realtor should not disclose confidential information at their own discretion without the client's consent.