There is no guidance in terms of how the request must be communicated, but I agree with Craig that you should just err on the side of being more...

Can I sue my last employer for unpaid wages and labor?

You most likely have a claim for unpaid wages, and possibly other related claims such as overtime if you worked enough hours in a day or week, or...

Taking action against you is only illegal if it is based on a protected class, which is something like race, gender, religion, etc. School status...

The conduct you describe most likely fits within the definition of sexual harassment in California. While in most cases a pattern of harassing...