An informal divorce agreement can be confusing for most couples going through separation and divorce. This type of agreement is generally one made between the spouses and does not involve family lawyers. It can include child custody, payments, separation of property and other aspects of the divorce. Before you move forward and try to use your informal agreement for a self-handled divorce, there are some things both parties should know. Here are a few key points about the informal divorce agreement and what to know about each point.