The CRTC on Friday warned those with and those seeking television broadcast licences about "major changes" that could result from Let's Talk TV proceedings, public hearings for which start Monday. The commission said in an online posting that the review "may result in the adoption of major changes to the broadcasting system which will have an impact on current and future licensees, their conditions of licence and the regulations which govern their activities." The CRTC said changes implemented might affect broadcasting companies before their licences expire, adding that it would consider short-term licences in some cases "to allow for a more efficient transition towards the revised regulatory framework adopted as a result of the Let’s Talk TV proceeding." The CRTC said in document released late last month that policy changes implemented as a result of this review could come into effect Dec. 15, 2015. Requiring that customers have choice in the TV channels they subscribe to, including a pick-and-pay option, simultaneous substitution and the future of over-the air transmissions are among the issues expected to be discussed in the upcoming hearings.