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Convention (No.28) on the issue of a certificate of nationality
signed at Lisbon on 14 September 1999
Status Chart
Contracting Parties Signature Ratification
(Instrument deposited on)
Entry into force
GERMANY 14.09.1999 / /
SPAIN 23.07.2009 04.08.2010 01.12.2010
GREECE 14.09.1999 / /
ITALY 14.09.1999 / /
PORTUGAL 14.09.1999 / /
TURKEY 14.09.1999 21.05.2004 01.12.2010