The launch date is around July 13 or 14, said BKK CEO Kálmán Dabóczi. Online registration is required for purchases. Holders can display their pass on their smartphones when approached by ticket inspectors. The validity of the pass or ticket is indicated with a green background in the app, which will turn red upon expiry. Source: Hungary Around the Clock This news item is one of many published daily by HATC, a premier subscription news service which distributes English-language info about Hungary via email or fax. For a free trial of HATC visit www.hatc.hu and click on 'Free Trial Subscription’.