256 Deputy Michael Ahern asked the Minister for Social and Family Affairs the reason an old insurance number in respect of a person (details supplied) in County Cork that was used in all Government and social welfare dealings from 1971 to 2 December 2009 was never questioned and was not given as a PPS number but was given to another person; and their position in relation to their retrospective entitlements in the meantime. [5820/10]

In the time available, it is not possible to provide the information requested.