The current fees that shall be paid by applicants on the issue of a certificate of naturalisation are as follows:
(a) where the application is made on behalf of a minor, a fee of €200.00;
(b) where the application is made by a widow or widower whose spouse was, immediately before death, an Irish Citizen, and who has not, subsequent to the spouse's death, become a naturalised citizen of a state other than the State, a fee of €200.00;
(c) in the case of all other applications, a fee of €950.00;
(d) the fee payable under (a), (b) or (c) shall be nil, if the application for the certificate concerned is made by or on behalf of a refugee or stateless person or by or on behalf of a programme refugee.
The official Department of Justice, Equality and Law Reform website is www.justice.ie.