I think you only get a lifetime ban after your second positive test, though I'm really not sure.
Just looked up rule 14.9 which got the Ukrainians
14.9 Participating in Non-IPF Competition
Any lifter, coach, referee or official who competes or participates in an international Powerlifting or Bench Press competition not organised, sanctioned or approved by the IPF shall not be permitted to take part in any IPF international or regional competition for a period of 12 months from the date of that non-approved competition.