diff --git a/hmda/src/main/scala/hmda/validation/engine/2025/TsEngine2025.scala b/hmda/src/main/scala/hmda/validation/engine/2025/TsEngine2025.scala
index 0e83ed1082..5eb354a4e9 100644
--- a/hmda/src/main/scala/hmda/validation/engine/2025/TsEngine2025.scala
+++ b/hmda/src/main/scala/hmda/validation/engine/2025/TsEngine2025.scala
@@ -2,7 +2,7 @@ package hmda.validation.engine
 
 import hmda.model.filing.ts.TransmittalSheet
 import hmda.validation.context.ValidationContext
-import hmda.validation.rules.ts.syntactical.{ S300, S302 }
+import hmda.validation.rules.ts.syntactical._
 import hmda.validation.rules.ts.validity._
 import hmda.validation.rules.ts.quality._2025._
 // $COVERAGE-OFF$
@@ -10,7 +10,8 @@ private[engine] object TsEngine2025 extends ValidationEngine[TransmittalSheet] {
 
   override def syntacticalChecks(ctx: ValidationContext) = Vector(
     S300,
-    S302.withContext(ctx)
+    S302.withContext(ctx),
+    _2025.S303.withContext(ctx)
   )
 
   override def validityChecks(ctx: ValidationContext) = Vector(
diff --git a/hmda/src/main/scala/hmda/validation/engine/2026/TsEngine2026.scala b/hmda/src/main/scala/hmda/validation/engine/2026/TsEngine2026.scala
index bcfd863b5f..ae75ae6a2d 100644
--- a/hmda/src/main/scala/hmda/validation/engine/2026/TsEngine2026.scala
+++ b/hmda/src/main/scala/hmda/validation/engine/2026/TsEngine2026.scala
@@ -2,7 +2,7 @@ package hmda.validation.engine
 
 import hmda.model.filing.ts.TransmittalSheet
 import hmda.validation.context.ValidationContext
-import hmda.validation.rules.ts.syntactical.{ S300, S302 }
+import hmda.validation.rules.ts.syntactical._
 import hmda.validation.rules.ts.validity._
 import hmda.validation.rules.ts.quality._2025._
 // $COVERAGE-OFF$
@@ -10,7 +10,8 @@ private[engine] object TsEngine2026 extends ValidationEngine[TransmittalSheet] {
 
   override def syntacticalChecks(ctx: ValidationContext) = Vector(
     S300,
-    S302.withContext(ctx)
+    S302.withContext(ctx),
+    _2025.S303.withContext(ctx)
   )
 
   override def validityChecks(ctx: ValidationContext) = Vector(
diff --git a/hmda/src/main/scala/hmda/validation/rules/ts/quality/2025/Q303.scala b/hmda/src/main/scala/hmda/validation/rules/ts/quality/2025/Q303.scala
index ec8828bde1..9859181c72 100644
--- a/hmda/src/main/scala/hmda/validation/rules/ts/quality/2025/Q303.scala
+++ b/hmda/src/main/scala/hmda/validation/rules/ts/quality/2025/Q303.scala
@@ -18,7 +18,6 @@ class Q303 private (institution: Institution) extends EditCheck[TransmittalSheet
   override def name: String = "Q303"
 
   override def apply(ts: TransmittalSheet): ValidationResult =
-    (ts.LEI.toLowerCase is equalTo(institution.LEI.toLowerCase)) and
       (ts.agency.code is equalTo(institution.agency.code)) and
       (ts.taxId is equalTo(institution.taxId.getOrElse("")))
 }
diff --git a/hmda/src/main/scala/hmda/validation/rules/ts/syntactical/2025/S303.scala b/hmda/src/main/scala/hmda/validation/rules/ts/syntactical/2025/S303.scala
new file mode 100644
index 0000000000..06b5ad57f5
--- /dev/null
+++ b/hmda/src/main/scala/hmda/validation/rules/ts/syntactical/2025/S303.scala
@@ -0,0 +1,22 @@
+package hmda.validation.rules.ts.syntactical._2025
+
+import hmda.model.filing.ts.TransmittalSheet
+import hmda.model.institution.Institution
+import hmda.validation.context.ValidationContext
+import hmda.validation.dsl.PredicateCommon._
+import hmda.validation.dsl.PredicateSyntax._
+import hmda.validation.dsl.ValidationResult
+import hmda.validation.rules.{EditCheck, IfInstitutionPresentIn}
+
+object S303 {
+  def withContext(ctx: ValidationContext): EditCheck[TransmittalSheet] =
+    IfInstitutionPresentIn(ctx) { new S303(_) }
+
+}
+
+class S303 private (institution: Institution) extends EditCheck[TransmittalSheet] {
+  override def name: String = "S303"
+
+  override def apply(ts: TransmittalSheet): ValidationResult =
+    (ts.LEI.toLowerCase is equalTo(institution.LEI.toLowerCase))
+}