Calypso Networks Association is a non-for-profit association established in Brussels in 2003 wich manages the contactless electronic ticketing standard, Calypso. The main objectives of CNA are to define and direct the reference specifications, to implement a certification policy, to guarantee the compatibility of all current and future product, to establish a Calypso label issued by an independent organization, to promote Calypso to operators and manufacturers to yield its distribution, to contribute to the international standardization process, to facilitate and harmonize the shared members' needs and experiences. Founder members of the project : OTLIS-Lisbon, ACTV-Venice, STIB-Brussels, LKRKN-Constance and RATP & SNCF-Paris.