You have until October 1 to post your entries. So approximately 2 months.
October 2 to October 6 is the the time for everyone who wants to to Nominate 10 covers for the Final 10 voting. 10 covers with the most nominations will be in the voting...
Final details are still being hammered out, but don't let that stop you recording. Check the thread out for more details, or go straight to the Song Submission thread.