ðə kˈeɪs, tˈeɪkən baɪ ɹˈeɪmənd kɹˈɑːɾi fˈɔːɹməli ɐɡˈɛnst ðə tˈiːʃəx ðˈɛn ɡˈæɹɪt fˈɪts dʒˈɛɹəld, dᵻɹˈɛktli lˈɛd tə ðə tˈɛnθ ɐmˈɛndmənt ʌvðə kˌɑːnstɪtˈuːʃən ʌv ˈaɪɚlənd wˌɪtʃ ˈɔːθɚɹˌaɪzd ðə ɹˌæɾɪfɪkˈeɪʃən ʌvðə sˈɪŋɡəl ˈækt ænd ɪstˈæblɪʃt ðæt sɪɡnˈɪfɪkənt tʃˈeɪndʒᵻz tə jˌʊɹɹəpˈiən jˈuːniən tɹˈiːɾiz ɹᵻkwˈaɪɚd ɐn ɐmˈɛndmənt tə ðɪ ˈaɪɹɪʃ kˌɑːnstɪtˈuːʃən bᵻfˌoːɹ ðeɪ kʊd biː ɹˈæɾᵻfˌaɪd baɪ ˈaɪɚlənd.
The case, taken by Raymond Crotty formally against the Taoiseach (then Garret FitzGerald), directly led to the Tenth Amendment of the Constitution of Ireland (which authorised the ratification of the Single Act) and established that significant changes to European Union treaties required an amendment to the Irish constitution before they could be ratified by Ireland.