diff --git a/tests/resources/Features_DCC_v3.2.1.xml b/tests/resources/Features_DCC_v3.2.1.xml
new file mode 100644
index 0000000000000000000000000000000000000000..0719ad4e37c92aa87ac9bd08bd4fef9ecb596aa4
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+++ b/tests/resources/Features_DCC_v3.2.1.xml
@@ -0,0 +1,115 @@
+<?xml version="1.0" encoding="utf-8"?>
+<dcc:digitalCalibrationCertificate xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcc="https://ptb.de/dcc" xmlns:si="https://ptb.de/si" xsi:schemaLocation="https://ptb.de/dcc https://ptb.de/dcc/v3.2.1/dcc.xsd" schemaVersion="3.2.1">
+    <dcc:administrativeData>
+        <dcc:dccSoftware>
+            <dcc:software>
+                <dcc:name>
+                    <dcc:content>Notepad++ (32-bit)</dcc:content>
+                </dcc:name>
+                <dcc:release>v 8.2</dcc:release>
+            </dcc:software>
+        </dcc:dccSoftware>
+        <dcc:coreData>
+            <dcc:countryCodeISO3166_1>DE</dcc:countryCodeISO3166_1>
+            <dcc:usedLangCodeISO639_1>en</dcc:usedLangCodeISO639_1>
+            <dcc:mandatoryLangCodeISO639_1>en</dcc:mandatoryLangCodeISO639_1>
+            <dcc:uniqueIdentifier>Test_DCC_Minimal</dcc:uniqueIdentifier>
+            <dcc:identifications>
+                <dcc:identification>
+                    <dcc:issuer>calibrationLaboratory</dcc:issuer>
+                    <dcc:value>string-calibrationLaboratory-coreData</dcc:value>
+                    <dcc:name>
+                        <dcc:content lang="en">Order no.</dcc:content>
+                    </dcc:name>
+                </dcc:identification>
+            </dcc:identifications>
+            <dcc:beginPerformanceDate>1957-08-13</dcc:beginPerformanceDate>
+            <dcc:endPerformanceDate>1957-08-13</dcc:endPerformanceDate>
+            <dcc:performanceLocation>laboratory</dcc:performanceLocation>
+            <!-- [v3.2.1] dcc:reportAmendedSubstituted was added -->
+            <dcc:reportAmendedSubstituted>
+                <dcc:typeOfChange>amended</dcc:typeOfChange>
+                <dcc:replacedUniqueIdentifier>Test_DCC_Minimal_old</dcc:replacedUniqueIdentifier>
+            </dcc:reportAmendedSubstituted>
+        </dcc:coreData>
+        <dcc:items>
+            <!-- [v3.2.1] dcc:manufacturer was added -->
+            <dcc:manufacturer>
+                <dcc:name>
+                    <dcc:content>String</dcc:content>
+                </dcc:name>
+            </dcc:manufacturer>
+            <dcc:item>
+                <dcc:name>
+                    <dcc:content lang="de">Temperatur-Fühler</dcc:content>
+                    <dcc:content lang="en">Temperature sensor</dcc:content>
+                </dcc:name>
+                <!-- [v3.2.1] manufacturer is now optional, thus removed here -->
+                <dcc:identifications>
+                    <dcc:identification>
+                        <dcc:issuer>manufacturer</dcc:issuer>
+                        <dcc:value>string-manufacturer-item</dcc:value>
+                    </dcc:identification>
+                </dcc:identifications>
+            </dcc:item>
+        </dcc:items>
+        <dcc:calibrationLaboratory>
+            <dcc:contact>
+                <dcc:name>
+                    <dcc:content>Kalibrierfirma GmbH</dcc:content>
+                </dcc:name>
+                <dcc:location>
+                    <dcc:city>Musterstadt</dcc:city>
+                </dcc:location>
+            </dcc:contact>
+        </dcc:calibrationLaboratory>
+        <dcc:respPersons>
+            <dcc:respPerson>
+                <dcc:person>
+                    <dcc:name>
+                        <dcc:content>Michaela Musterfrau</dcc:content>
+                    </dcc:name>
+                </dcc:person>
+            </dcc:respPerson>
+        </dcc:respPersons>
+        <dcc:customer>
+            <dcc:name>
+                <dcc:content>Kunde GmbH</dcc:content>
+            </dcc:name>
+            <dcc:location>
+                <dcc:city>Musterstadt</dcc:city>
+            </dcc:location>
+        </dcc:customer>
+    </dcc:administrativeData>
+    <dcc:measurementResults>
+        <dcc:measurementResult>
+            <dcc:name>
+                <dcc:content lang="en">Measurement results</dcc:content>
+            </dcc:name>
+            <dcc:results>
+                <dcc:result refType="gp_measuringResult1">
+                    <dcc:name>
+                        <dcc:content lang="de">Messergebnisse</dcc:content>
+                        <dcc:content lang="en">Measuring results</dcc:content>
+                    </dcc:name>
+                    <dcc:data>
+                        <dcc:list refType="gp_table1">
+                            <dcc:quantity refType="basic_referenceValue">
+                                <si:hybrid>
+                                    <si:realListXMLList>
+                                        <si:valueXMLList>306.248 373.121 448.253 523.319 593.154</si:valueXMLList>
+                                        <si:unitXMLList>\kelvin</si:unitXMLList>
+                                    </si:realListXMLList>
+                                    <si:realListXMLList>
+                                        <si:valueXMLList>33.098 99.971 175.103 250.169 320.004</si:valueXMLList>
+                                        <si:unitXMLList>\degreecelsius</si:unitXMLList>
+                                    </si:realListXMLList>
+                                </si:hybrid>
+                            </dcc:quantity>
+                        </dcc:list>
+                    </dcc:data>
+                </dcc:result>
+            </dcc:results>
+        </dcc:measurementResult>
+    </dcc:measurementResults>
+</dcc:digitalCalibrationCertificate>
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