Can a guy who isn't the father sighn the birth certificate?

I do not advise that any one but the father sign the birth certificate. I highly recommend that you speak with an explained family law attorney.

How can I give somebody 3 month custody of my child without having to go to Court what kind of agreement will be credible in ?

This is not question that can be answered on a forum such as this. I recommend that you schedule an appointment with an expired family law attorney.

Can I get in trouble if my daughter ran away and from a group home?

You are correct, you can not sign anything. I would contact the cps case worker. I would also contact an experienced Juvenile law attorney.

Can you apply for back pay child support for your son who is 22 years of age and father has never paid?

It depends. Is there a child support order? I would bring your Decree to an experienced family law attorney to have reviewed.

You are allowed to modify child support if the amount you are to be paid increases or decreases by 15%. They usually do not count a second job. I...

Can I claim all three of my kids on taxes if I am the custodial parent and my ex owes arrears from the current tax year?

I order to answer the question I would need to look at the current court order and the pay history to answer this questions. The rule does state...

You can do a Motion for a Hair Follicle test. Be prepared to take one as well. I highly recommend meeting seeking the advice of an experienced ...

In order to the answer your question I would need to look at you Decree and then you would also need to speak with a tax attorney.

What do I need to file through the courts to get a different probation officer?

I would recommend contacting an experienced criminal attorney on this issue.

Police clearance certificate ?

I would recommend having your orders review by an experienced family law attorney.