Modifies the conditions by which an open or closed meeting may be conducted by audio or video conference without the physical presence of a quorum of the members. Provides that a meeting may be held without the physical presence of a quorum of the members if, among other requirements, the elected or appointed presiding officer of the public body determines that an in-person meeting would pose a risk to the health or safety of members of the public body or the public, and that conducting a meeting by an audio or video conference is in the best interests of the public body or the public, and public notice of any meeting states the reason or reasons why the presiding officer of the public body made such determination. Specifies further requirements concerning notice and public comment. Makes conforming and other changes. Effective immediately.