The second section, "Purpose of the NASW Code of Ethics," provides an overview of the Code's main functions and a brief guide for dealing with ethical issues or dilemmas in social work practice. The third section, "Ethical Principles," presents broad ethical principles, based on social work's core values, that inform social work practice. The final section, "Ethical Standards," includes specific ethical standards to guide social workers' conduct and to provide a basis for adjudication.[4] Since 2012, the Code of Ethics includes an LGBT non-discrimination policy.[5] The 2018 revision of the Code of Ethics includes 19 changes that address ethical responsibilities when using technology.[6]