Sure they can, however that does not mean you have to answer it. Good luck!

Yes, sure can. Hope that helps. Good luck!

The name of my employee does not match the name on your order. However, the social security number is the same. What should I do

I agree with my colleague, as the source is an excellent place to start. Hire a professional to help if you run into problems. Good luck!

Will filing taxes jointly affect the status of our marital property which is kept separate with a valid California Prenup?

That would depend on the contents! Good luck.

Can I sue a therapist for illegally breaking confidentiality?

Base on your facts (above), it will be unlikely. Sorry and good luck!

Does the EDD Auditor has the power to request the following information about tax return?

Generally no, but you should definitely retain counsel to plan for all contingencies. Good luck!

Law to establish utilities when tenant cancels them voluntarily

This could get messy, definitely eviction should be at the top of your agenda. Talk to a real estate attorney asap. Good luck!

Genereally no, but you should never the less retain a lawyer to assist with the set up. Good luck!

Offset

Generally no, as always, to be sure you should hire a qualified attorney to research it for you. Good luck!

You will most likely have to pay some taxes, but if you maximize allowable adjustments it should should not be overly burdensome. All the best.