diff --git a/src/main/java/eu/europa/ted/eforms/sdk/SdkConstants.java b/src/main/java/eu/europa/ted/eforms/sdk/SdkConstants.java
index deeeb97..25ecad1 100644
--- a/src/main/java/eu/europa/ted/eforms/sdk/SdkConstants.java
+++ b/src/main/java/eu/europa/ted/eforms/sdk/SdkConstants.java
@@ -7,6 +7,7 @@ public class SdkConstants {
   public static final String FIELDS_JSON_XML_STRUCTURE_KEY = "xmlStructure";
   public static final String FIELDS_JSON_FIELDS_KEY = "fields";
 
+  public static final String NOTICE_TYPES_JSON_SUBTYPES_KEY = "noticeSubTypes";
   public static final String NOTICE_TYPES_JSON_DOCUMENT_TYPES_KEY = "documentTypes";
   public static final String NOTICE_TYPES_JSON_DOCUMENT_TYPE_KEY = "documentType";
   public static final String NOTICE_TYPES_JSON_NAMESPACE_KEY = "namespace";
diff --git a/src/main/java/eu/europa/ted/eforms/sdk/component/SdkComponentType.java b/src/main/java/eu/europa/ted/eforms/sdk/component/SdkComponentType.java
index 8d551e7..4ed6cad 100644
--- a/src/main/java/eu/europa/ted/eforms/sdk/component/SdkComponentType.java
+++ b/src/main/java/eu/europa/ted/eforms/sdk/component/SdkComponentType.java
@@ -1,8 +1,10 @@
 package eu.europa.ted.eforms.sdk.component;
 
 /**
- * Enumeration of component types that can be registered with the SDK component factory.
+ * Enumeration of component types that can be registered with the SDK component
+ * factory.
  */
 public enum SdkComponentType {
-  FIELD, NODE, CODELIST, EFX_EXPRESSION_TRANSLATOR, EFX_TEMPLATE_TRANSLATOR, SYMBOL_RESOLVER, SCRIPT_GENERATOR, MARKUP_GENERATOR;
+  FIELD, NODE, CODELIST, NOTICE_TYPE, EFX_EXPRESSION_TRANSLATOR, EFX_TEMPLATE_TRANSLATOR, EFX_RULES_TRANSLATOR,
+  SYMBOL_RESOLVER, SCRIPT_GENERATOR, MARKUP_GENERATOR, VALIDATOR_GENERATOR;
 }
diff --git a/src/main/java/eu/europa/ted/eforms/sdk/entity/SdkEntityFactory.java b/src/main/java/eu/europa/ted/eforms/sdk/entity/SdkEntityFactory.java
index 36f9f8b..09705d9 100644
--- a/src/main/java/eu/europa/ted/eforms/sdk/entity/SdkEntityFactory.java
+++ b/src/main/java/eu/europa/ted/eforms/sdk/entity/SdkEntityFactory.java
@@ -30,4 +30,10 @@ public static SdkNode getSdkNode(String sdkVersion, JsonNode node) throws Instan
     return SdkEntityFactory.INSTANCE.getComponentImpl(sdkVersion, SdkComponentType.NODE,
         SdkNode.class, node);
   }
+
+  public static SdkNoticeSubtype getSdkNoticeSubtype(final String sdkVersion, final JsonNode json)
+      throws InstantiationException {
+    return SdkEntityFactory.INSTANCE.getComponentImpl(sdkVersion, SdkComponentType.NOTICE_TYPE,
+        SdkNoticeSubtype.class, json);
+  }
 }
diff --git a/src/main/java/eu/europa/ted/eforms/sdk/entity/SdkField.java b/src/main/java/eu/europa/ted/eforms/sdk/entity/SdkField.java
index 49e8be6..9213798 100644
--- a/src/main/java/eu/europa/ted/eforms/sdk/entity/SdkField.java
+++ b/src/main/java/eu/europa/ted/eforms/sdk/entity/SdkField.java
@@ -103,6 +103,6 @@ public int hashCode() {
 
   @Override
   public String toString() {
-    return "SdkField [id=" + id + "]";
+    return id;
   }
 }
diff --git a/src/main/java/eu/europa/ted/eforms/sdk/entity/SdkNoticeSubtype.java b/src/main/java/eu/europa/ted/eforms/sdk/entity/SdkNoticeSubtype.java
new file mode 100644
index 0000000..0deb351
--- /dev/null
+++ b/src/main/java/eu/europa/ted/eforms/sdk/entity/SdkNoticeSubtype.java
@@ -0,0 +1,75 @@
+package eu.europa.ted.eforms.sdk.entity;
+
+import java.util.Objects;
+import com.fasterxml.jackson.databind.JsonNode;
+
+/**
+ * Represents a notice subtype from the SDK's notice-types.json file.
+ */
+public abstract class SdkNoticeSubtype implements Comparable<SdkNoticeSubtype> {
+  private final String subTypeId;
+  private final String documentType;
+  private final String type;
+
+  protected SdkNoticeSubtype(String subTypeId, String documentType, String type) {
+    this.subTypeId = subTypeId;
+    this.documentType = documentType;
+    this.type = type;
+  }
+
+  protected SdkNoticeSubtype(JsonNode json) {
+    this.subTypeId = json.get("subTypeId").asText(null);
+    this.documentType = json.get("documentType").asText(null);
+    this.type = json.get("type").asText(null);
+  }
+
+  /**
+   * Returns the notice subtype ID (e.g., "1", "3", "CEI", "E1", "X01").
+   * This is the primary identifier used for phase generation.
+   */
+  public String getId() {
+    return subTypeId;
+  }
+
+  public String getSubTypeId() {
+    return subTypeId;
+  }
+
+  public String getDocumentType() {
+    return documentType;
+  }
+
+  public String getType() {
+    return type;
+  }
+
+  @Override
+  public boolean equals(Object obj) {
+    if (this == obj) {
+      return true;
+    }
+    if (obj == null) {
+      return false;
+    }
+    if (getClass() != obj.getClass()) {
+      return false;
+    }
+    SdkNoticeSubtype other = (SdkNoticeSubtype) obj;
+    return Objects.equals(subTypeId, other.subTypeId);
+  }
+
+  @Override
+  public int compareTo(SdkNoticeSubtype o) {
+    return this.subTypeId.compareTo(o.subTypeId);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(subTypeId);
+  }
+
+  @Override
+  public String toString() {
+    return subTypeId;
+  }
+}
diff --git a/src/main/java/eu/europa/ted/eforms/sdk/repository/SdkNoticeTypeRepository.java b/src/main/java/eu/europa/ted/eforms/sdk/repository/SdkNoticeTypeRepository.java
new file mode 100644
index 0000000..adfdbba
--- /dev/null
+++ b/src/main/java/eu/europa/ted/eforms/sdk/repository/SdkNoticeTypeRepository.java
@@ -0,0 +1,29 @@
+package eu.europa.ted.eforms.sdk.repository;
+
+import java.nio.file.Path;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import eu.europa.ted.eforms.sdk.SdkConstants;
+import eu.europa.ted.eforms.sdk.entity.SdkEntityFactory;
+import eu.europa.ted.eforms.sdk.entity.SdkNoticeSubtype;
+
+/**
+ * Repository for SDK notice types loaded from notice-types.json.
+ * Maps notice subtype IDs (e.g., "1", "3", "CEI", "E1", "X01") to SdkNoticeSubtype objects.
+ */
+public class SdkNoticeTypeRepository extends MapFromJson<SdkNoticeSubtype> {
+  private static final long serialVersionUID = 1L;
+
+  public SdkNoticeTypeRepository(String sdkVersion, Path jsonPath) throws InstantiationException {
+    super(sdkVersion, jsonPath);
+  }
+
+  @Override
+  protected void populateMap(final JsonNode json) throws InstantiationException {
+    final ArrayNode noticeSubtypes = (ArrayNode) json.get(SdkConstants.NOTICE_TYPES_JSON_SUBTYPES_KEY);
+    for (final JsonNode noticeSubtype : noticeSubtypes) {
+      final SdkNoticeSubtype sdkNoticeSubtype = SdkEntityFactory.getSdkNoticeSubtype(sdkVersion, noticeSubtype);
+      put(sdkNoticeSubtype.getId(), sdkNoticeSubtype);
+    }
+  }
+}