diff --git a/src/data/battler-tags.ts b/src/data/battler-tags.ts
index 16dd4914ed4..cc2bc8816b4 100644
--- a/src/data/battler-tags.ts
+++ b/src/data/battler-tags.ts
@@ -35,13 +35,15 @@ export class BattlerTag {
   public turnCount: number;
   public sourceMove: Moves;
   public sourceId?: number;
+  public isTransferrable: boolean;
 
-  constructor(tagType: BattlerTagType, lapseType: BattlerTagLapseType | BattlerTagLapseType[], turnCount: number, sourceMove?: Moves, sourceId?: number) {
+  constructor(tagType: BattlerTagType, lapseType: BattlerTagLapseType | BattlerTagLapseType[], turnCount: number, sourceMove?: Moves, sourceId?: number, isTransferrable: boolean = false) {
     this.tagType = tagType;
     this.lapseTypes = Array.isArray(lapseType) ? lapseType : [ lapseType ];
     this.turnCount = turnCount;
     this.sourceMove = sourceMove!; // TODO: is this bang correct?
     this.sourceId = sourceId;
+    this.isTransferrable = isTransferrable;
   }
 
   canAdd(pokemon: Pokemon): boolean {
@@ -158,7 +160,7 @@ export class BeakBlastChargingTag extends BattlerTag {
 
 export class TrappedTag extends BattlerTag {
   constructor(tagType: BattlerTagType, lapseType: BattlerTagLapseType, turnCount: number, sourceMove: Moves, sourceId: number) {
-    super(tagType, lapseType, turnCount, sourceMove, sourceId);
+    super(tagType, lapseType, turnCount, sourceMove, sourceId, true);
   }
 
   canAdd(pokemon: Pokemon): boolean {
@@ -261,7 +263,7 @@ export class InterruptedTag extends BattlerTag {
  */
 export class ConfusedTag extends BattlerTag {
   constructor(turnCount: number, sourceMove: Moves) {
-    super(BattlerTagType.CONFUSED, BattlerTagLapseType.MOVE, turnCount, sourceMove);
+    super(BattlerTagType.CONFUSED, BattlerTagLapseType.MOVE, turnCount, sourceMove, undefined, true);
   }
 
   canAdd(pokemon: Pokemon): boolean {
@@ -440,7 +442,7 @@ export class SeedTag extends BattlerTag {
   private sourceIndex: number;
 
   constructor(sourceId: number) {
-    super(BattlerTagType.SEEDED, BattlerTagLapseType.TURN_END, 1, Moves.LEECH_SEED, sourceId);
+    super(BattlerTagType.SEEDED, BattlerTagLapseType.TURN_END, 1, Moves.LEECH_SEED, sourceId, true);
   }
 
   /**
@@ -711,7 +713,7 @@ export class OctolockTag extends TrappedTag {
 
 export class AquaRingTag extends BattlerTag {
   constructor() {
-    super(BattlerTagType.AQUA_RING, BattlerTagLapseType.TURN_END, 1, Moves.AQUA_RING, undefined);
+    super(BattlerTagType.AQUA_RING, BattlerTagLapseType.TURN_END, 1, Moves.AQUA_RING, undefined, true);
   }
 
   onAdd(pokemon: Pokemon): void {
@@ -743,7 +745,7 @@ export class AquaRingTag extends BattlerTag {
 /** Tag used to allow moves that interact with {@link Moves.MINIMIZE} to function */
 export class MinimizeTag extends BattlerTag {
   constructor() {
-    super(BattlerTagType.MINIMIZED, BattlerTagLapseType.TURN_END, 1, Moves.MINIMIZE, undefined);
+    super(BattlerTagType.MINIMIZED, BattlerTagLapseType.TURN_END, 1, Moves.MINIMIZE);
   }
 
   canAdd(pokemon: Pokemon): boolean {
@@ -1141,7 +1143,7 @@ export class SturdyTag extends BattlerTag {
 
 export class PerishSongTag extends BattlerTag {
   constructor(turnCount: number) {
-    super(BattlerTagType.PERISH_SONG, BattlerTagLapseType.TURN_END, turnCount, Moves.PERISH_SONG);
+    super(BattlerTagType.PERISH_SONG, BattlerTagLapseType.TURN_END, turnCount, Moves.PERISH_SONG, undefined, true);
   }
 
   canAdd(pokemon: Pokemon): boolean {
@@ -1197,7 +1199,7 @@ export class AbilityBattlerTag extends BattlerTag {
   public ability: Abilities;
 
   constructor(tagType: BattlerTagType, ability: Abilities, lapseType: BattlerTagLapseType, turnCount: number) {
-    super(tagType, lapseType, turnCount, undefined);
+    super(tagType, lapseType, turnCount);
 
     this.ability = ability;
   }
@@ -1374,7 +1376,7 @@ export class TypeImmuneTag extends BattlerTag {
   public immuneType: Type;
 
   constructor(tagType: BattlerTagType, sourceMove: Moves, immuneType: Type, length: number = 1) {
-    super(tagType, BattlerTagLapseType.TURN_END, length, sourceMove);
+    super(tagType, BattlerTagLapseType.TURN_END, length, sourceMove, undefined, true);
 
     this.immuneType = immuneType;
   }
@@ -1438,7 +1440,7 @@ export class TypeBoostTag extends BattlerTag {
 
 export class CritBoostTag extends BattlerTag {
   constructor(tagType: BattlerTagType, sourceMove: Moves) {
-    super(tagType, BattlerTagLapseType.TURN_END, 1, sourceMove);
+    super(tagType, BattlerTagLapseType.TURN_END, 1, sourceMove, undefined, true);
   }
 
   onAdd(pokemon: Pokemon): void {
@@ -1462,7 +1464,7 @@ export class SaltCuredTag extends BattlerTag {
   private sourceIndex: number;
 
   constructor(sourceId: number) {
-    super(BattlerTagType.SALT_CURED, BattlerTagLapseType.TURN_END, 1, Moves.SALT_CURE, sourceId);
+    super(BattlerTagType.SALT_CURED, BattlerTagLapseType.TURN_END, 1, Moves.SALT_CURE, sourceId, true);
   }
 
   /**
@@ -1511,7 +1513,7 @@ export class CursedTag extends BattlerTag {
   private sourceIndex: number;
 
   constructor(sourceId: number) {
-    super(BattlerTagType.CURSED, BattlerTagLapseType.TURN_END, 1, Moves.CURSE, sourceId);
+    super(BattlerTagType.CURSED, BattlerTagLapseType.TURN_END, 1, Moves.CURSE, sourceId, true);
   }
 
   /**
@@ -1554,7 +1556,7 @@ export class CursedTag extends BattlerTag {
  */
 export class GroundedTag extends BattlerTag {
   constructor(tagType: BattlerTagType, lapseType: BattlerTagLapseType, sourceMove: Moves) {
-    super(tagType, lapseType, 1, sourceMove);
+    super(tagType, lapseType, 1, sourceMove, undefined, true);
   }
 }
 
@@ -1746,7 +1748,7 @@ export class ExposedTag extends BattlerTag {
   private allowedTypes: Type[];
 
   constructor(tagType: BattlerTagType, sourceMove: Moves, defenderType: Type, allowedTypes: Type[]) {
-    super(tagType, BattlerTagLapseType.CUSTOM, 1, sourceMove);
+    super(tagType, BattlerTagLapseType.CUSTOM, 1, sourceMove, undefined, true);
     this.defenderType = defenderType;
     this.allowedTypes = allowedTypes;
   }