"Whether it's the independence petition or the coal petition, if they get the requisite signatures, our intention would be to put those on the ballot at the same time."
Here's Premier Danielle Smith on Feb 20 vowing to put a successful coal petition to a referendum vote.
There it is.
Premier Danielle Smith confirms that if either the sovereignty or coal petitions are successful, Albertans will vote on that referendum question on October 19th alongside the other proposed questions.