BBC Radio 4's Money Box programme was broadcast on Saturday, 27 December, 2003 at 1204 GMT
The programme was repeated on Sunday, 28 December, 2003 at 2102 GMT.
Billions of pounds remain unclaimed in the UK's financial institutions, but new legislation in Ireland has forced banks and life companies to reunite customers with their money, or hand it over to an independent fund.
We spoke to Irish Finance Minister Charlie McCreevy who introduced the new laws, and to MP Martyn Jones who would like to see a similar scheme operate in the UK.
Further information:
Producer: Jennifer Clarke
Presenter: Paul Lewis