When is the claim to child-support null and void? http://detective-zakynthinos.com/Content.asp?Code=000091 Child support payments are a legal quagmire with the reigning issues being: • whether or not you have to pay • how much and how often do you have to pay • when does your responsibility to pay cease • when do the financial circumstances of a child affect your responsibility to pay or the amount you contribute • ditto for the behaviour of a child towards you • how does the turning to an adult affect your responsibility to pay