What is the fine-grained topic of the following text: In a special interview for RUBEZH magazine, representatives of non-commercial partnership "GLONASS" explained that the described document applies to all member states of the Customs Union and requires installation of mandatory emergency call devices for new vehicle models in 2015 and for all vehicle models beginning with 2017. Only return the topic.
Mandatory Installation of Emergency Call Devices in Vehicles in the Customs Union