How can I get the irs to stop taking my taxes because of child support when I pay it every month, and I have a payment plan

If you are in arrears the refund is garnished by the support enforcement unit.

Does the judge normally sentence you with the sentence recommendation in the pre sentence investigation report

It depends on the judge and the circumstances of the incident alleged.

What can I do if I want full custody

Need more detail here. Please provide for a clear picture.

Daughter is 16 and has been hurting herself in her mother's custody. What would be the basis to get custody of her?

File a petition for custody of your older child.

How Can I Fight Child support Harsh and unfair Judgement

Petition for another downward modification and for reinstatement of you license.

I was wondering how long does it take for a step parent adoption in nyc ?

Anywhere from 4-6 months if all goes smoothly.

Let say both parents die and the siblings go through the foster care system, is there a way to keep them together?

There is no guarantee that the foster care system would keep them together.

Can a birth parent set a list of requirements for other parent(s) to adopt children just in case they go into foster care

It is hard to understand the question here. Please clarify.

Reach out to an attorney in the jurisdiction where the case was and they can retrieve the records.

Can one legally get married to someone else if one is in a domestic partnership in NYC??

Yes. The marriage ends the domestic partnership.