My husband sing over his rights, and send all the paper work back to her ex. she say she would take child support off, and she din't, its be...

Question

My husband sing over his rights, and send all the paper work back to her ex. she say she would take child support off, and she din't, its been over a year now. Husband regrets now, and wants to see him, we live in NC his son lives in TX, what is the first step to take and do we have a case here?

Answer

need to see what he signed

was it filed ?

Where if filed