diff --git a/core/src/main/java/google/registry/flows/domain/DomainCheckFlow.java b/core/src/main/java/google/registry/flows/domain/DomainCheckFlow.java
index d7fec83ca..2511cbbd4 100644
--- a/core/src/main/java/google/registry/flows/domain/DomainCheckFlow.java
+++ b/core/src/main/java/google/registry/flows/domain/DomainCheckFlow.java
@@ -301,6 +301,7 @@ public final class DomainCheckFlow implements Flow {
           feeCheck.getItems().stream()
               .filter(fc -> fc.getCommandName() == CommandName.RESTORE)
               .map(FeeCheckCommandExtensionItem::getDomainName)
+              .distinct()
               .collect(toImmutableList());
     } else if (feeCheck.getItems().stream()
         .anyMatch(fc -> fc.getCommandName() == CommandName.RESTORE)) {
diff --git a/core/src/test/java/google/registry/flows/domain/DomainCheckFlowTest.java b/core/src/test/java/google/registry/flows/domain/DomainCheckFlowTest.java
index d65d8977e..e1ba51ce2 100644
--- a/core/src/test/java/google/registry/flows/domain/DomainCheckFlowTest.java
+++ b/core/src/test/java/google/registry/flows/domain/DomainCheckFlowTest.java
@@ -887,6 +887,20 @@ class DomainCheckFlowTest extends ResourceCheckFlowTestCase<DomainCheckFlow, Dom
     runFlowAssertResponse(loadFile("domain_check_fee_reserved_response_v06.xml"));
   }
 
+  @Test
+  void testFeeExtension_reservedName_restoreFeeWithDupes_v06() throws Exception {
+    persistResource(
+        Registry.get("tld")
+            .asBuilder()
+            .setReservedLists(createReservedList())
+            .setPremiumList(persistPremiumList("tld", "premiumcollision,USD 70"))
+            .build());
+    // The domain needs to exist in order for it to be loaded to check for restore fee.
+    persistActiveDomain("allowedinsunrise.tld");
+    setEppInput("domain_check_fee_reserved_dupes_v06.xml");
+    runFlowAssertResponse(loadFile("domain_check_fee_reserved_response_dupes_v06.xml"));
+  }
+
   /** The tests must be split up for version 11, which allows only one command at a time. */
   @Test
   void testFeeExtension_reservedName_v11_create() throws Exception {
@@ -965,6 +979,20 @@ class DomainCheckFlowTest extends ResourceCheckFlowTestCase<DomainCheckFlow, Dom
     runFlowAssertResponse(loadFile("domain_check_fee_reserved_response_v12.xml"));
   }
 
+  @Test
+  void testFeeExtension_reservedName_restoreFeeWithDupes_v12() throws Exception {
+    persistResource(
+        Registry.get("tld")
+            .asBuilder()
+            .setReservedLists(createReservedList())
+            .setPremiumList(persistPremiumList("tld", "premiumcollision,USD 70"))
+            .build());
+    // The domain needs to exist in order for it to be loaded to check for restore fee.
+    persistActiveDomain("allowedinsunrise.tld");
+    setEppInput("domain_check_fee_reserved_dupes_v12.xml");
+    runFlowAssertResponse(loadFile("domain_check_fee_reserved_dupes_response_v12.xml"));
+  }
+
   @Test
   void testFeeExtension_feesNotOmittedOnReservedNamesInSunrise_v06() throws Exception {
     createTld("tld", START_DATE_SUNRISE);
diff --git a/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_dupes_response_v12.xml b/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_dupes_response_v12.xml
new file mode 100644
index 000000000..50bfab4d8
--- /dev/null
+++ b/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_dupes_response_v12.xml
@@ -0,0 +1,147 @@
+<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
+  <response>
+    <result code="1000">
+      <msg>Command completed successfully</msg>
+    </result>
+    <resData>
+      <domain:chkData xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
+        <domain:cd>
+          <domain:name avail="0">reserved.tld</domain:name>
+          <domain:reason>Reserved</domain:reason>
+        </domain:cd>
+        <domain:cd>
+          <domain:name avail="0">allowedinsunrise.tld</domain:name>
+          <domain:reason>In use</domain:reason>
+        </domain:cd>
+        <domain:cd>
+          <domain:name avail="0">allowedinsunrise.tld</domain:name>
+          <domain:reason>In use</domain:reason>
+        </domain:cd>
+        <domain:cd>
+          <domain:name avail="0">premiumcollision.tld</domain:name>
+          <domain:reason>Cannot be delegated</domain:reason>
+        </domain:cd>
+      </domain:chkData>
+    </resData>
+    <extension>
+      <fee:chkData xmlns:fee="urn:ietf:params:xml:ns:fee-0.12"
+           xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
+        <fee:currency>USD</fee:currency>
+        <fee:cd>
+          <fee:object>
+            <domain:name>reserved.tld</domain:name>
+          </fee:object>
+          <fee:command name="create">
+            <fee:period unit="y">1</fee:period>
+            <fee:class>reserved</fee:class>
+          </fee:command>
+        </fee:cd>
+        <fee:cd>
+          <fee:object>
+            <domain:name>reserved.tld</domain:name>
+          </fee:object>
+          <fee:command name="renew">
+            <fee:period unit="y">1</fee:period>
+            <fee:fee description="renew">11.00</fee:fee>
+          </fee:command>
+        </fee:cd>
+        <fee:cd>
+          <fee:object>
+            <domain:name>reserved.tld</domain:name>
+          </fee:object>
+          <fee:command name="transfer">
+            <fee:period unit="y">1</fee:period>
+            <fee:fee description="renew">11.00</fee:fee>
+          </fee:command>
+        </fee:cd>
+        <fee:cd>
+          <fee:object>
+            <domain:name>reserved.tld</domain:name>
+          </fee:object>
+          <fee:command name="restore">
+            <fee:period unit="y">1</fee:period>
+            <fee:fee description="restore">17.00</fee:fee>
+          </fee:command>
+        </fee:cd>
+        <fee:cd>
+          <fee:object>
+            <domain:name>allowedinsunrise.tld</domain:name>
+          </fee:object>
+          <fee:command name="create">
+            <fee:period unit="y">1</fee:period>
+            <fee:class>reserved</fee:class>
+          </fee:command>
+        </fee:cd>
+        <fee:cd>
+          <fee:object>
+            <domain:name>allowedinsunrise.tld</domain:name>
+          </fee:object>
+          <fee:command name="renew">
+            <fee:period unit="y">1</fee:period>
+            <fee:fee description="renew">11.00</fee:fee>
+          </fee:command>
+        </fee:cd>
+        <fee:cd>
+          <fee:object>
+            <domain:name>allowedinsunrise.tld</domain:name>
+          </fee:object>
+          <fee:command name="transfer">
+            <fee:period unit="y">1</fee:period>
+            <fee:fee description="renew">11.00</fee:fee>
+          </fee:command>
+        </fee:cd>
+        <fee:cd>
+          <fee:object>
+            <domain:name>allowedinsunrise.tld</domain:name>
+          </fee:object>
+          <fee:command name="restore">
+            <fee:period unit="y">1</fee:period>
+            <fee:fee description="restore">17.00</fee:fee>
+          </fee:command>
+        </fee:cd>
+        <fee:cd>
+          <fee:object>
+            <domain:name>premiumcollision.tld</domain:name>
+          </fee:object>
+          <fee:command name="create">
+            <fee:period unit="y">1</fee:period>
+            <fee:class>reserved</fee:class>
+          </fee:command>
+        </fee:cd>
+        <fee:cd>
+          <fee:object>
+            <domain:name>premiumcollision.tld</domain:name>
+          </fee:object>
+          <fee:command name="renew">
+            <fee:period unit="y">1</fee:period>
+            <fee:fee description="renew">70.00</fee:fee>
+            <fee:class>premium</fee:class>
+          </fee:command>
+        </fee:cd>
+        <fee:cd>
+          <fee:object>
+            <domain:name>premiumcollision.tld</domain:name>
+          </fee:object>
+          <fee:command name="transfer">
+            <fee:period unit="y">1</fee:period>
+            <fee:fee description="renew">70.00</fee:fee>
+            <fee:class>premium</fee:class>
+          </fee:command>
+        </fee:cd>
+        <fee:cd>
+          <fee:object>
+            <domain:name>premiumcollision.tld</domain:name>
+          </fee:object>
+          <fee:command name="restore">
+            <fee:period unit="y">1</fee:period>
+            <fee:fee description="restore">17.00</fee:fee>
+          </fee:command>
+        </fee:cd>
+      </fee:chkData>
+    </extension>
+    <trID>
+      <clTRID>ABC-12345</clTRID>
+      <svTRID>server-trid</svTRID>
+    </trID>
+  </response>
+</epp>
diff --git a/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_dupes_v06.xml b/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_dupes_v06.xml
new file mode 100644
index 000000000..3700f42fe
--- /dev/null
+++ b/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_dupes_v06.xml
@@ -0,0 +1,116 @@
+<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
+  <command>
+    <check>
+      <domain:check xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
+        <domain:name>reserved.tld</domain:name>
+        <domain:name>allowedinsunrise.tld</domain:name>
+        <domain:name>allowedinsunrise.tld</domain:name>
+        <domain:name>premiumcollision.tld</domain:name>
+      </domain:check>
+    </check>
+   <extension>
+      <launch:check xmlns:launch="urn:ietf:params:xml:ns:launch-1.0" type="avail">
+        <launch:phase name="foo">custom</launch:phase>
+      </launch:check>
+      <fee:check xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+        <fee:domain>
+          <fee:name>reserved.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>create</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>reserved.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>renew</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>reserved.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>transfer</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>reserved.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>restore</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>create</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>renew</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>transfer</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>restore</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>create</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>renew</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>transfer</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>restore</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>premiumcollision.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>create</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>premiumcollision.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>renew</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>premiumcollision.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>transfer</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+        <fee:domain>
+          <fee:name>premiumcollision.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>restore</fee:command>
+          <fee:period unit="y">1</fee:period>
+        </fee:domain>
+      </fee:check>
+    </extension>
+    <clTRID>ABC-12345</clTRID>
+  </command>
+</epp>
diff --git a/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_dupes_v12.xml b/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_dupes_v12.xml
new file mode 100644
index 000000000..cee487122
--- /dev/null
+++ b/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_dupes_v12.xml
@@ -0,0 +1,33 @@
+<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
+  <command>
+    <check>
+      <domain:check xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
+        <domain:name>reserved.tld</domain:name>
+        <domain:name>allowedinsunrise.tld</domain:name>
+        <domain:name>allowedinsunrise.tld</domain:name>
+        <domain:name>premiumcollision.tld</domain:name>
+      </domain:check>
+    </check>
+   <extension>
+      <launch:check xmlns:launch="urn:ietf:params:xml:ns:launch-1.0" type="avail">
+        <launch:phase name="foo">custom</launch:phase>
+      </launch:check>
+      <fee:check xmlns:fee="urn:ietf:params:xml:ns:fee-0.12">
+        <fee:currency>USD</fee:currency>
+        <fee:command name="create">
+          <fee:period unit="y">1</fee:period>
+        </fee:command>
+        <fee:command name="renew">
+          <fee:period unit="y">1</fee:period>
+        </fee:command>
+        <fee:command name="transfer">
+          <fee:period unit="y">1</fee:period>
+        </fee:command>
+        <fee:command name="restore">
+          <fee:period unit="y">1</fee:period>
+        </fee:command>
+      </fee:check>
+    </extension>
+    <clTRID>ABC-12345</clTRID>
+  </command>
+</epp>
diff --git a/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_response_dupes_v06.xml b/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_response_dupes_v06.xml
new file mode 100644
index 000000000..55247107e
--- /dev/null
+++ b/core/src/test/resources/google/registry/flows/domain/domain_check_fee_reserved_response_dupes_v06.xml
@@ -0,0 +1,149 @@
+<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
+  <response>
+    <result code="1000">
+      <msg>Command completed successfully</msg>
+    </result>
+    <resData>
+      <domain:chkData xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
+        <domain:cd>
+          <domain:name avail="0">reserved.tld</domain:name>
+          <domain:reason>Reserved</domain:reason>
+        </domain:cd>
+        <domain:cd>
+          <domain:name avail="0">allowedinsunrise.tld</domain:name>
+          <domain:reason>In use</domain:reason>
+        </domain:cd>
+        <domain:cd>
+          <domain:name avail="0">allowedinsunrise.tld</domain:name>
+          <domain:reason>In use</domain:reason>
+        </domain:cd>
+        <domain:cd>
+          <domain:name avail="0">premiumcollision.tld</domain:name>
+          <domain:reason>Cannot be delegated</domain:reason>
+        </domain:cd>
+      </domain:chkData>
+    </resData>
+    <extension>
+      <fee:chkData xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>reserved.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>create</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:class>reserved</fee:class>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>reserved.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>renew</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="renew">11.00</fee:fee>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>reserved.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>transfer</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="renew">11.00</fee:fee>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>reserved.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>restore</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="restore">17.00</fee:fee>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>create</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:class>reserved</fee:class>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>renew</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="renew">11.00</fee:fee>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>transfer</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="renew">11.00</fee:fee>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>restore</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="restore">17.00</fee:fee>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>create</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:class>reserved</fee:class>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>renew</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="renew">11.00</fee:fee>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>transfer</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="renew">11.00</fee:fee>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>allowedinsunrise.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>restore</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="restore">17.00</fee:fee>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>premiumcollision.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>create</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:class>reserved</fee:class>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>premiumcollision.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>renew</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="renew">70.00</fee:fee>
+          <fee:class>premium</fee:class>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>premiumcollision.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>transfer</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="renew">70.00</fee:fee>
+          <fee:class>premium</fee:class>
+        </fee:cd>
+        <fee:cd xmlns:fee="urn:ietf:params:xml:ns:fee-0.6">
+          <fee:name>premiumcollision.tld</fee:name>
+          <fee:currency>USD</fee:currency>
+          <fee:command>restore</fee:command>
+          <fee:period unit="y">1</fee:period>
+          <fee:fee description="restore">17.00</fee:fee>
+        </fee:cd>
+      </fee:chkData>
+    </extension>
+    <trID>
+      <clTRID>ABC-12345</clTRID>
+      <svTRID>server-trid</svTRID>
+    </trID>
+  </response>
+</epp>