5/2013: No expiration date. IT certification. The ITIL is a set of practices for IT service management (ITSM) that focuses on aligning IT services with the needs of business (as described by Wikipedia).
5/2103: Located in UK. Have to verify with 1 of the 10 Examination Institutes. APMG-International  Email: servicedesk@apmg-international.com
BCS-ISEB Email: isebenq@hq.bcs.org.uk 
CERT-IT Email: info@cert-it.com
CSME Email: info@csme.us
DANSK IT Email: dansk-it@dansk-it.dk
DF Certifiering AB Email: certifiering@dfs.se
EXIN Email: service@exin-exams.com
Loyalist Certification Services Email: exams@loyalistexams.com 
PEOPLECERT Group Email: info@peoplecert.org
T'V S'D Akademie Email: akd.it@tuev-sued.de