diff --git a/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionExecutor.java b/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionExecutor.java
index 3f099ac85..1b30b1b4d 100644
--- a/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionExecutor.java
+++ b/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionExecutor.java
@@ -15,17 +15,32 @@
 import org.eclipse.passage.lic.api.LicensingResult;
 
 /**
- * 
- * Implement the {@link RestrictionVerdict}(s) for the licensed feature:
- * <li>early exit from command line tools with notice</li>
- * <li>blocking dialogs for UI application</li>
- * <li>filtering out the UI</li>
- * <li>blocking of bundles using OSGi level</li>
  *
+ * The service implementing the <i>restrictions execution</i> phase
+ * of <i> access cycle</i>.
+
  * @since 0.4.0
+ * @see org.eclipse.passage.lic.api
  */
 public interface RestrictionExecutor {
 
+	/**
+	 * <p>Applies the given {@link RestrictionVerdict}s for feature under licencing
+	 * to the current runtime of the program.</p>
+	 *
+	 * <p>Is capable to affect the program runtime environment the following ways:</p>
+	 * <ol>
+	 *    <li>early exit from command line tools with notice</li>
+	 *    <li>block dialogs for UI application</li>
+	 *    <li>filter out the UI</li>
+	 *    <li>block of bundles using OSGi level</li>
+	 * </ol>
+	 *
+	 * @param verdicts restriction instructions gained at the pagse of <i>permission examining</i> phase of <i>access cycle</i>
+	 * @return the final result summary of the current <i>access cycle</i>
+	 *
+	 * @since 0.4.0
+	 */
 	LicensingResult execute(Iterable<RestrictionVerdict> verdicts);
 
 }
diff --git a/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionExecutorRegistry.java b/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionExecutorRegistry.java
index 1d5d03c2b..af91a10ee 100644
--- a/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionExecutorRegistry.java
+++ b/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionExecutorRegistry.java
@@ -20,12 +20,24 @@
  */
 public interface RestrictionExecutorRegistry {
 
+	/**
+	 * @since 0.4.0
+	 */
 	String getDefaultRestrictionLevelIdentifier();
 
+	/**
+	 * @since 0.4.0
+	 */
 	Iterable<String> getRestrictionLevelIdentifiers();
 
+	/**
+	 * @since 0.4.0
+	 */
 	RestrictionLevelDescriptor getRestrictionLevel(String identifier);
 
+	/**
+	 * @since 0.4.0
+	 */
 	Iterable<? extends RestrictionLevelDescriptor> getRestrictionLevels();
 
 }
diff --git a/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionLevelDescriptor.java b/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionLevelDescriptor.java
index 331f4b75b..fb69ebc74 100644
--- a/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionLevelDescriptor.java
+++ b/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionLevelDescriptor.java
@@ -5,10 +5,19 @@
  */
 public interface RestrictionLevelDescriptor {
 
+	/**
+	 * @since 0.4.0
+	 */
 	String getIdentifier();
 
+	/**
+	 * @since 0.4.0
+	 */
 	String getName();
 
+	/**
+	 * @since 0.4.0
+	 */
 	String getDescription();
 
 }
\ No newline at end of file
diff --git a/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionVerdict.java b/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionVerdict.java
index 12bcdc2b9..84c6a4c9b 100644
--- a/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionVerdict.java
+++ b/bundles/org.eclipse.passage.lic.api/src/org/eclipse/passage/lic/api/restrictions/RestrictionVerdict.java
@@ -21,12 +21,15 @@
  * The data required to execute the restriction, produced by
  * {@link PermissionExaminer} and consumed by {@link RestrictionExecutor}
  *
+ * @see RestrictionExecutor
  * @since 0.4.0
  */
 public interface RestrictionVerdict {
 
 	/**
 	 * General configuration
+	 *
+	 * @since 0.4.0
 	 */
 	LicensingConfiguration getLicensingConfiguration();
 
@@ -37,14 +40,22 @@ public interface RestrictionVerdict {
 	 * @see LicensingRequirement
 	 * @see org.eclipse.passage.lic.api.access.FeaturePermission
 	 * @see org.eclipse.passage.lic.api.access.PermissionExaminer
+	 * @since 0.4.0
 	 */
 	LicensingRequirement getLicensingRequirement();
 
 	/**
 	 * Level of restriction severity, described freely, like "warn" or "fatal"
+	 *
+	 * @since 0.4.0
 	 */
 	String getRestrictionLevel();
 
+	/**
+	 * Encoded reason of restriction, required for {@link RestrictionExecutor}
+	 *
+	 * @since 0.4.0
+	 */
 	int getRestrictionCode();
 
 }