Becuase all teams in the RSSL are signed toB forms. The top 4-5 teams in the "premier" can compete with Fraser Valley premier and
VMSL div 1, but there is a huge drop off from 6 thru 10. So, all teams play on B forms.
When the league was realigned some years back, it should have just gone with div 1, div 2 and div 3 instead of labeling the first div a "premier" div.