The government has decided to hold the 3G spectrum auction for GSM operators on December 7, 2009. The auctions for broadband wireless access spectrum (which will be used mainly for Wi-Max services) and EV-DO (the CDMA version of 3G) will be held two days after the 3G spectrum auction. According to the timetable, a mock auction will be held for two days on October 3 and 4, 2009. The Department of Telecommunications (DoT) will issue clarifications, if any, on October 22; and the participating companies will have to submit their shareholding details by November 18, 2009 and authenticated ownership certificates by November 23.