I want to know the answer to the following question:
On what day did the CRTC agree to allow CBCs broadcasting transmitters to remain active for another year?
All the background I'm provided with is that "On August 18, 2011, the CRTC issued a decision that allows CBC's mandatory market rebroadcasting transmitters in analogue to remain on-air until August 31, 2012.". Is that enough to answer the question?