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I find no "new" law concerning this subject matter enacted in California during the past 10 years.
If your spouse is an employee of your business, then she must be covered by workers' compensation insurance, unless:
(1) your business is a corporation, and
(2) all of the employees of the corporation are also the only officers or directors of the corporation. See Labor Code 3351(c).
For example, if you are the only officer and director of your corporation, and you have employed your spouse, but you have not made her an officer or director of the corporation, then you must provide workers' comp coverage for your spouse. If you make your spouse and officer or director of the corporation, then you do not have to provide coverage for her.
Note; If I'm misunderstanding your question, feel free to clarify.
Hope this helps.
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