diff --git a/src/product/price/PriceTypeDefinition.php b/src/product/price/PriceTypeDefinition.php
index d490859a..e517ccde 100644
--- a/src/product/price/PriceTypeDefinition.php
+++ b/src/product/price/PriceTypeDefinition.php
@@ -48,6 +48,8 @@ class PriceTypeDefinition implements PriceTypeDefinitionInterface
      */
     private RepresentationCollection $representationCollection;
 
+    private bool $deprecated = false;
+
     private ?AggregateInterface $aggregate = null;
 
     private readonly PriceTypeBehaviorRegistry $behaviorRegistry;
@@ -242,6 +244,13 @@ public function deprecated(): static
     {
         $this->ensureNotLocked();
 
+        $this->deprecated = true;
+
         return $this;
     }
+
+    public function isDeprecated(): bool
+    {
+        return $this->deprecated;
+    }
 }
diff --git a/src/product/price/PriceTypeDefinitionInterface.php b/src/product/price/PriceTypeDefinitionInterface.php
index c46bd61d..9f06d552 100644
--- a/src/product/price/PriceTypeDefinitionInterface.php
+++ b/src/product/price/PriceTypeDefinitionInterface.php
@@ -76,4 +76,6 @@ public function getQuantityFormatterDefinition(): ?QuantityFormatterDefinition;
      * and must not appear in new tariff configurations.
      */
     public function deprecated(): static;
+
+    public function isDeprecated(): bool;
 }