The Australians use what's called the Robson rotation for the way the candidates' names appear on the ballot. We use a similar provision, but it's slightly different in its construction.
The provision suggested in the bill is that the candidates' names be rotated. That's because studies have shown that the order of a person's name on the ballot can have a significant effect on voter reaction to that name. If you're fortunate enough to have a name beginning with the letter A and you're at the top of the ballot because it's alphabetical, there's a demonstrated benefit of about 3% to 5% associated with that.
So the bill provides that there be a rotation of names on the ballot here as well, to try to diminish the effect of that across a province for all of the ballots. Each candidate's name would come to the top approximately the same number of times over the course of the ballots as they're distributed across the province.