You cannot transfer to another country - and per CA law you can always modify child support.

The Judgment must be registered in California - which gives it a case number into which a Request for Order can be filed.

No - there is nothing you can do - and the money would’ve been owed to your dad, not you.

Unfortunately, your rights don’t include good co-parenting. That is a merely a goal. Now that you have left both your ex and your other ex, it is...

A bigger consideration is that your husband is 67 and over retirement age; hopefully he has a retirement benefit that you are entitled to 1/2 of.

You can remind him that he has a fiduciary duty to protect your property, and to allow you to retrieve it; if the police won’t help, file a Request...

Arguably, you do; give it a try - the worst case is you are denied, which puts you where are you are already.

I’d say no because he has not need to hire outside childcare.

…and it’s likely that your SS# will pop up in CSSD search when they report interest.

I think he may be right; support can be made retroactive to the date of the request and the formal request must include the financial information.