On October 19, the U.S. Copyright Office published a notice of proposed rulemaking in the ninth triennial proceeding under section 1201 of Title 17. The notice outlines seven newly proposed classes of exemption and initiates three rounds of public comment. Comments from those who proposed new exemptions and those supporting adoption of a proposed exemption, as well as comments that neither support nor oppose an exemption, were due December 22, 2023. Comments in opposition are due February 20, 2024. Reply comments from supporters of a proposed exemption and parties who neither support nor oppose an exemption are due March 19, 2024. Additional background information about section 1201 is available here.