The Bill received Royal Assent on 18 November 2004 and henceforth became known as the Civil Contingencies Act 2004 (the “Act”).
Cafodd y Bil Gydsyniad Brenhinol ar 18 Tachwedd 2004 ac o hynny ymlaen cafodd ei adnabod fel Deddf Argyfyngau Sifil 2004 (y "Ddeddf").