diff --git a/goofy-server/src/main/java/de/itvsh/goofy/vorgang/VorgangHeader.java b/goofy-server/src/main/java/de/itvsh/goofy/vorgang/VorgangHeader.java
index 3a23ba7ff24f217339b0f625f19b12edda05a506..c160e0e4054dc669d465d8841a6ce1142f81ecd8 100644
--- a/goofy-server/src/main/java/de/itvsh/goofy/vorgang/VorgangHeader.java
+++ b/goofy-server/src/main/java/de/itvsh/goofy/vorgang/VorgangHeader.java
@@ -31,6 +31,7 @@ class VorgangHeader implements Vorgang {
 	private VorgangStatus status;
 	private ZonedDateTime createdAt;
 	private String aktenzeichen;
+	private String nummer;
 
 	@With
 	@JsonProperty(access = Access.READ_ONLY)
diff --git a/goofy-server/src/test/java/de/itvsh/goofy/vorgang/EingangHeaderMapperTest.java b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/EingangHeaderMapperTest.java
index 983c1871f6f8e8edc116ed7681d0259215a893ef..98c7a83ed9048d39f739b13481714815b09d9c33 100644
--- a/goofy-server/src/test/java/de/itvsh/goofy/vorgang/EingangHeaderMapperTest.java
+++ b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/EingangHeaderMapperTest.java
@@ -6,9 +6,7 @@ import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 import org.mapstruct.factory.Mappers;
 
-import de.itvsh.ozg.pluto.vorgang.GrpcEingangHeader;
-
-public class EingangHeaderMapperTest {
+class EingangHeaderMapperTest {
 
 	private EingangHeaderMapper mapper = Mappers.getMapper(EingangHeaderMapper.class);
 
@@ -17,11 +15,20 @@ public class EingangHeaderMapperTest {
 
 		@Test
 		void shouldMapCreatedAt() {
-			GrpcEingangHeader grpcEingangHeader = GrpcEingangHeaderTestFactory.create();
-
-			var eingang = mapper.toEingangHeader(grpcEingangHeader);
+			var eingang = callMapper();
 
 			assertThat(eingang.getCreatedAt()).isEqualTo(GrpcEingangHeaderTestFactory.CREATED_AT);
 		}
+
+		@Test
+		void shouldMapRequestId() {
+			var eingang = callMapper();
+
+			assertThat(eingang.getRequestId()).isEqualTo(GrpcEingangHeaderTestFactory.REQUEST_ID);
+		}
+
+		private EingangHeader callMapper() {
+			return mapper.toEingangHeader(GrpcEingangHeaderTestFactory.create());
+		}
 	}
 }
diff --git a/goofy-server/src/test/java/de/itvsh/goofy/vorgang/GrpcEingangHeaderTestFactory.java b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/GrpcEingangHeaderTestFactory.java
index 081080cc92cafa77c7990aecd390f131b04d5d2c..2b08250362af20c4eb33deea33c8f188aecf1a53 100644
--- a/goofy-server/src/test/java/de/itvsh/goofy/vorgang/GrpcEingangHeaderTestFactory.java
+++ b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/GrpcEingangHeaderTestFactory.java
@@ -9,7 +9,7 @@ import de.itvsh.ozg.pluto.vorgang.GrpcEingangHeader;
 
 public class GrpcEingangHeaderTestFactory {
 
-	private final static String REQUEST_ID = UUID.randomUUID().toString();
+	public final static String REQUEST_ID = UUID.randomUUID().toString();
 	private final static String CREATED_AT_STR = "2021-01-10T10:30:00Z";
 	public final static ZonedDateTime CREATED_AT = ZonedDateTime.parse(CREATED_AT_STR);
 	private final static String FORM_ID = UUID.randomUUID().toString();
diff --git a/goofy-server/src/test/java/de/itvsh/goofy/vorgang/GrpcVorgangHeaderTestFactory.java b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/GrpcVorgangHeaderTestFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..5661d8554626aabe119a911430fd12107528c00e
--- /dev/null
+++ b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/GrpcVorgangHeaderTestFactory.java
@@ -0,0 +1,22 @@
+package de.itvsh.goofy.vorgang;
+
+import static de.itvsh.goofy.vorgang.VorgangHeaderTestFactory.*;
+
+import de.itvsh.ozg.pluto.vorgang.GrpcVorgangHeader;
+
+public class GrpcVorgangHeaderTestFactory {
+
+	public static GrpcVorgangHeader create() {
+		return createBuilder().build();
+	}
+
+	public static GrpcVorgangHeader.Builder createBuilder() {
+		return GrpcVorgangHeader.newBuilder()
+				.setNummer(NUMMER)
+				.setCreatedAt(CREATED_AT_STR)
+				.setAktenzeichen(AKTENZEICHEN)
+				.setAssignedTo(ASSIGNED_TO)
+				.setName(NAME)
+				.setStatus(STATUS.name());
+	}
+}
\ No newline at end of file
diff --git a/goofy-server/src/test/java/de/itvsh/goofy/vorgang/GrpcVorgangTestFactory.java b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/GrpcVorgangTestFactory.java
index f24ecf280c7559e883fe6500eef3a864ee8ce774..2836ec97c5bd60bcb9e85485194c7218070745e3 100644
--- a/goofy-server/src/test/java/de/itvsh/goofy/vorgang/GrpcVorgangTestFactory.java
+++ b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/GrpcVorgangTestFactory.java
@@ -16,6 +16,7 @@ public class GrpcVorgangTestFactory {
 	private static final String NAME = LoremIpsum.getInstance().getWords(10);
 	private static final String CREATED_AT = LocalDateTime.now().toString();
 	private static final String STATUS = "NEU";
+	private static final String NUMMER = "VorgangNummer123";
 
 	public static GrpcFindVorgangResponse createVorgangResponse() {
 		return createVorgangResponseBuilder().build();
@@ -35,6 +36,7 @@ public class GrpcVorgangTestFactory {
 		return GrpcVorgangHeader.newBuilder()
 				.setId(ID)
 				.setName(NAME)
+				.setNummer(NUMMER)
 				.setCreatedAt(CREATED_AT)
 				.setStatus(STATUS);
 	}
diff --git a/goofy-server/src/test/java/de/itvsh/goofy/vorgang/VorgangHeaderMapperTest.java b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/VorgangHeaderMapperTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..d8997f39d1b45f65588d6fab1ba585745483e578
--- /dev/null
+++ b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/VorgangHeaderMapperTest.java
@@ -0,0 +1,66 @@
+package de.itvsh.goofy.vorgang;
+
+import static de.itvsh.goofy.vorgang.VorgangHeaderTestFactory.*;
+import static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+import org.mapstruct.factory.Mappers;
+import org.mockito.InjectMocks;
+import org.mockito.Spy;
+
+import de.itvsh.goofy.common.user.UserId;
+import de.itvsh.goofy.common.user.UserIdMapper;
+import de.itvsh.goofy.vorgang.Vorgang.VorgangStatus;
+
+class VorgangHeaderMapperTest {
+
+	@Spy
+	@InjectMocks
+	private VorgangHeaderMapper mapper = Mappers.getMapper(VorgangHeaderMapper.class);
+
+	@Spy
+	private UserIdMapper userIdMapper = Mappers.getMapper(UserIdMapper.class);
+
+	@Nested
+	class TestGrpcVorgangHeaderToGoofyVorgangHeader {
+		@Test
+		void shouldMapCreatedAt() {
+			var header = callMapper();
+
+			assertThat(header.getCreatedAt()).isEqualTo(CREATED_AT);
+		}
+
+		@Test
+		void shouldMapNummer() {
+			var header = callMapper();
+
+			assertThat(header.getNummer()).isEqualTo(NUMMER);
+		}
+
+		@Test
+		void shouldMapAktenzeichen() {
+			var header = callMapper();
+
+			assertThat(header.getAktenzeichen()).isEqualTo(AKTENZEICHEN);
+		}
+
+		@Test
+		void shouldMapStatus() {
+			var header = callMapper();
+
+			assertThat(header.getStatus()).isEqualTo(VorgangStatus.NEU);
+		}
+
+		@Test
+		void shouldMapAssignedTo() {
+			var header = callMapper();
+
+			assertThat(header.getAssignedTo()).isEqualTo(UserId.from(ASSIGNED_TO));
+		}
+
+		private VorgangHeader callMapper() {
+			return mapper.toVorgangHeader(GrpcVorgangHeaderTestFactory.create());
+		}
+	}
+}
diff --git a/goofy-server/src/test/java/de/itvsh/goofy/vorgang/VorgangHeaderTestFactory.java b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/VorgangHeaderTestFactory.java
index 248d9ed966aeac4fa9e506981458776f57924a8f..736b88e6181a99144ac378bb0465e1c552bcd786 100644
--- a/goofy-server/src/test/java/de/itvsh/goofy/vorgang/VorgangHeaderTestFactory.java
+++ b/goofy-server/src/test/java/de/itvsh/goofy/vorgang/VorgangHeaderTestFactory.java
@@ -16,17 +16,21 @@ public class VorgangHeaderTestFactory {
 	public static final VorgangStatus STATUS = VorgangStatus.NEU;
 	public static final String CREATED_AT_STR = "2021-01-10T10:30:00Z";
 	public static final ZonedDateTime CREATED_AT = ZonedDateTime.parse(CREATED_AT_STR);
+	public static final String NUMMER = "VorgangNummerTest123";
+	public static final String AKTENZEICHEN = "0123456789XY";
+	public static final String ASSIGNED_TO = "paul";
 
 	public static VorgangHeader create() {
 		return createBuilder().build();
 	}
 
 	public static VorgangHeader.VorgangHeaderBuilder createBuilder() {
-		return VorgangHeader.builder()//
-				.id(ID)//
+		return VorgangHeader.builder()
+				.id(ID)
 				.version(VERSION)
-				.name(NAME)//
-				.status(STATUS)//
+				.name(NAME)
+				.nummer(NUMMER)
+				.status(STATUS)
 				.createdAt(CREATED_AT)
 				.assignedTo(UserTestFactory.ID);
 	}