In addition to the grounds provided for in Title III, recognition or enforcement may be refused if the State addressed is not bound by the convention on a particular matter and the person against whom recognition or enforcement is sought is domiciled in that State, or, if the State addressed is a Member State of the European Community and in respect of conventions which would have to be concluded by the European Community, in any of its Member States, unless the judgment may otherwise be recognised or enforced under any rule of law in the State addressed.
I dteannta na bhforas dá bhforáiltear i dTeideal III, féadfar diúltú d'aithint nó d'fhorghníomhú mura bhfuil an Stát chun a ndéantar an t-iarratas faoi cheangal ag an gcoinbhinsiún maidir le hábhar áirithe agus má tá sainchónaí sa Stát sin ar an duine arb ina choinne a iarrtar aithint nó forghníomhú nó, más Ballstát den Chomhphobal Eorpach an Stát chun a ndéantar an t-iaas agus i leith coinbhinsiún nár mhór a bheith tugtha chun críche ag an gComhphobal Eorpach, in aon cheann dá chuid Ballstát, mura bhféadfar an breithiúnas a aithint nó a fhorghníomhú faoi aon riail dlí i Stát chun a ndéantar an t-iarratas.