No.
Source http://www.dir.ca.gov/DWC/erguide.pdf
Page 13
For more info. on Worker's Comp see http://www.steveshorr.com/workers.comp.htm
No
No, They can not
If you are the sole owner / employee of your s-corp, workers comp insurance is not required in CA, however some companies you do contract work for may require you to have wc insurance or some type of liability or health insurance.
The employer, the insurance company, your state board of insurance and your state's workers' compensation bureau are all good to contact about Work Comp insurance fraud.
Seek an Attorney.
If you had an employee covered under a group policy (less than 5), do you have to provide Cobra insurance to the employee until they find other coverage if they leave the company?
By law, it's optional for sole proprietors. Reality can be different though. In the construction trades most general contractors will require any subs who are sole proprietors to have workmans comp. This is what their insurance companies require. If a sub doesn't have workmans comp the insurance company adds their wages to the gc's bill.
How many pending employee lawsuits for Travelers Insurance Company
Government Employee Insurance Company
An employee insurance participating plan is one where the employees of a certain company can put money into their insurance, regardless of how much is paid by the employer.
Employee State Insurance
In most cases, the company's insurance carrier will pay for damages, as long as the fault causing the accident was not caused by the employee. The employee here is representing the company in this case - if the employee is charged with negligent driving and was cited for causing the accident, the company insurance carrier will most likely pay, but will seek restitution from the employee. Could get into a real sticky situation.