You don't necessarily need a lawyer to draw up the agreement, but the court does have to sign off on it. When my X and I changed custody of our daughter we drew up the agreement ourselves and filed it with the court. You can write up the agreement, have each party sign in front of a notary and then file it with the court.
You can do an on-line search for formats and basic agreements - type it up with the stipulations you require....quite simple really.
You can do an on-line search for formats and basic agreements - type it up with the stipulations you require....quite simple really.