Do I have a legal position to ask my employer to cover income taxes on the increased part of my base salary?

I am not sure that I understand your question. Not having read the actual agreement or knowing your specific situation, I am only making general...

When filing 3 years BACK taxes, Turbotax asks for our mailing address. Should I enter our former or current address?

I assume you are referring to the voluntary disclosure program. The mailing address is the address where you want to receive correspondence from...

What are the legal fees?

Please accept my condolences. Many states have a statutory fee schedule for executors and attorneys handling probate/estate administration. I...

What should I indicate as my status when filing for my tax return given that I've just filed my I-485. I have been on a F1.

I assume you are referring to your 2015 tax return. If you are not married last year, and was a student on F1 visa, then you still file as...

Can we still be exempt from capital gain taxes if we buy an offshore property?

I think you are referring to 1031 like-kind exchange. The tax-free treatment only applies if you are exchanging it for a U.S. property. Offshore...

Can the IRS really tax someone on the value of stock when they don't have the money liquid?

I think you are referring to the tax relating to the exercise of stock options. Tax implications depend on what type of stock option it is. ...

Can my relative with power of attorney sign a class action opt out letter for me?

It depends on what power have you granted to your relative. You could also call the law firm that sent the notice and asked.

It depends on the requirements of that particular power of attorney. Often times they require witnesses or notarization to verify the identity of...

How long can she stay in there? is she able to stay there till the house is auctioned off?

Your sister's rights to the house depend on whether there was a will, and if not, the state law. Was there a probate, and who was awarded the...

I formed a legitimate Corporation Sole in California

When you have a for-profit business, you make capital contribution to get it running. Capital contribution is an investment you put in so not...