diff --git a/titles/idac/service/season3/team_service.py b/titles/idac/service/season3/team_service.py
index ca5ccae..476fcf7 100644
--- a/titles/idac/service/season3/team_service.py
+++ b/titles/idac/service/season3/team_service.py
@@ -149,11 +149,24 @@ class IDACSeason3TeamService:
                     past_league_info.rank,
                 )
 
+                new_league_rank_id = promote_effect_param.next_league_rank_id
+
+                if promote_effect_param.demote_rank > 0:
+                    # Condition 1: Demotion (falls through to the default demote_league_rank_id)
+                    if past_league_info.rank >= promote_effect_param.demote_rank:
+                        new_league_rank_id = promote_effect_param.demote_league_rank_id
+                    
+                    # Condition 2: Maintain Rank (e.g., didn't hit demotion, but rank is > promotion threshold)
+                    elif past_league_info.rank > promote_effect_param.rank:
+                        new_league_rank_id = past_league_info.league_rank_id
+                    
+                    # Condition 3: Promotion (falls through to the default next_league_rank_id)
+
                 await self.data.team.put_league_info(
                     LeagueInfoDto(
                         round_id=self.round_id,
                         team_id=team.id,
-                        league_rank_id=promote_effect_param.next_league_rank_id,
+                        league_rank_id=new_league_rank_id,
                     )
                 )
         else: