The US state of California enacted a law in January 2020 that redefines the role of independent contractors, aka freelancers. The American Medical Writers Association (AMWA) recently wrote to its self-employed members, who include self-employed medical writers and self-employed medical editors, to say this:
See this news story from the LA Times and this information from the State of California Department of Industrial Relations for background on these kinds of laws.
Because AMWA has heard concerns from its self-employed members, the organization has issued two documents that you as a freelance editor might find helpful:
If you're a self-employed editorial worker who lives in the USA, check with your professional organizations (the Society for Editing, American Society for Indexing, Association of Earth Science Editors, Council of Science Editors, Editorial Freelancers Association, Northwest Editors Guild, etc.) to see what they're doing and saying about similar laws in your state.