How does my soon to be ex go into a certain wireless store and make changes on my account when he never was added on my account

You pretty much answered your own question: Get "paperwork" right away. If the ex is this bad, I am surprised you have not filed anything by now.

How likely is it that my daughters father would get partial custody since she has been with me since the day she was born?

You really need to consult with an attorney experienced in the implications of domestic violence.

How do I get my ex to pay her 50% of educational and extracurricular expenses as ordered if my ex refuses to do so?

file a motion to declare how much ex has not paid, then ask for a money award and then garnish.

Can I ask for joint custody in regards to certain issues after the other parent has been awarded sole custody?

you really need to consult with an experienced attorney to review pleadings and to identify specific remedies . Do not try this yourself.

How do I obtain spousal support when my ex has left U.S. on a foreign passport? Is there a legal option beyond my county, state?

Consider calling Portland attorney Brad Lehman-Su. He is very experienced in international family law matters. He may know Irish lawyers who...

What is the process with a mother signing over parental rights and us being able to adopt this child? Is a lawyer necessary?

Don't even THINK of proceeding with this without first consulting experienced adoption counsel.

What does my husband need to do now to be able to get the custody that he was granted?

It seems to me that your husband was playing fest and loose with the rules, that the judge caught him on it, and now the judge has thought better...

you would have file two separate motions and serve them. You would then need to consolidate them for hearing together.

Am I finished paying child support as I have not received any type of notification that my son intends to return to school.

Base on your stated facts, you have no prospective liabilities until or unless you receive a notice. . Note the caveats stated by the other...

Or can I just give him and the courts notice of my new address and be done with it??

Read your GJ carefully. If the only restriction is noticing a move more than 60miles and you are not moving 60 miles, then no further notice is...