Can I use a DIFFERENT name for the LLC or must it be the exact business name? business will be online- in MA.

You can use a dba name for the LLC. It's probably worth sitting down with someone to go over you different entity options and obligations.

Can and should I draft a new letter of demand requesting the net income and how long do they have the answer it?

The short answer to your question is yes. But your question raises a lot more questions than answers. Is this a revocable or irrevocable trust....

If you don't want to use your own address you can use a company like Csc but they charge a fee.

Does ANYONE, including the IRS have the authority to confiscate private property without a court order or other judicial action?

Yes the IRS can do this. If there is a change to your return the onus is on you to provide additional information. Speak with a tax attorney who...

I have one rental property under S Corporation. Should I change the title to the single member LLC or just keep it like that.

There are likely significant tax issues for transferring the property from the s-Corp to an LLC if not done properly. Talk to a tax attorney first.

Can the IRS examine a bank account line by line in order for back taxes to be paid

The question is not clear. Are you afraid he IRS may go line by line or are they. During an audit the IRS can review the information that goes into...

I started a new job in 2014. mid year so my gross income was approximately 17K for that year. My girlfriend and I live together

You need to sit down and hire a CPA to help with your return.

What are my available options in selecting someone other than family members to be executor of my estate?

A trusted friend or professional advisor or a corporate fiduciary.

if I was Forming LLC In Delware For an Online Ecommerce DS business Would I still qualify for Nexus in this type of situation?

If you are operating out of MA you are conducting business in Massachusetts and you need to register in Massachusetts and pay taxes in Massachusetts

Does the administration have to be reopened ?

It's not clear who dies first. If the parents died after the child then gift most likely lapsed.