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Per the Irish Nationality and Citizenship Act 2001, starting on 30 November 2002, there will be changes in the procedures by which a non-national may acquire Irish citizenship through marriage to an Irish citizen. These changes have particular relevance for applicants with Foreign Birth Registration (FBR) who are married to, or who intend to marry, non-nationals prior to that date.

To be expedited under the Irish Nationality and Citizenship Act 2001, FBR applicants are strongly advised to submit their applications, including all of the required documents and certificates, as soon as possible, before the 29 November 2002 deadline. If documentation is still outstanding on 30 November 2002, the non-national spouse will fall under the rules and regulations of the transitional period.
The requirements for citizenship on the basis of entry in the Foreign Births Register (FBR) remain unchanged. Since you have decided to migrate to the Ireland, possibly permanently, the Irish Immigration Service has every intention to ensure that your relationship is viable and that you will be conducive to the public good.

For a transitional period, starting 30 November 2002, the existing PNC arrangements will continue to apply. During the transitional period, a non-national will be able to claim Irish citizenship if s/he

Please note that as from 30 November 2005, when the transitional period ends, it will no longer be possible to become an Irish citizen by lodging a post-nuptial declaration. Instead, it will be necessary to apply to the Department of Justice, Equality and Law Reform for a certificate of naturalisation based on marriage to an Irish citizen.
The certificate may be granted subject to certain conditions, including a period of residence in Ireland. The Embassy will be happy to provide advice and assistance regarding these changes, which are in accordance with the Irish Nationality and Citizenship Act, 2001.