Dia dhuit @humanhorseshoes, applicants must have a good knowledge of two EU official languages, of which one is a working language of the EU (C1 level- EN, FR or DE), while their second EU language must be at least B2 level. Many Irish students acquire a B2 level or higher in Gaeilge upon completion of their post-primary school studies, in addition to another language such as FR, DE or ES, which means they easily fulfil the language requirements . More info here: https://link.europa.eu/VjH6B4