UITP White Paper : Mobile NFC in Transport by GSMA and the International Association for Public Transport (UITP). https://www.gsma.com/mobilenfc/transport-white-paper-new-22nd-october/ NFC UICC Requirements Specification https://www.gsma.com/mobilenfc/gsma-nfc-uicc-requirements-specification-october-2012 NFC SP Applet Development Guideline https://www.gsma.com/mobilenfc/gsma-nfc-sp-applet-development-guideline FC MNO- SP interface Business Process Implementation https://www.gsma.com/mobilenfc/gsma-nfc-mno-sp-interface-business-process-implementation-august-2012 Requirements for wallet MNO and its interfaces https://www.gsma.com/mobilenfc/the-mobile-wallet