diff --git a/pom.xml b/pom.xml
index fb0c19b..cecf9bc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 	<artifactId>lunatic-model</artifactId>
 	<packaging>jar</packaging>
 
-	<version>3.13.1</version>
+	<version>3.14.0</version>
 	<name>Lunatic Model</name>
 	<description>Classes and converters for the Lunatic model</description>
 	<url>https://inseefr.github.io/Lunatic-Model/</url>
diff --git a/src/main/java/fr/insee/lunatic/model/flat/BodyCell.java b/src/main/java/fr/insee/lunatic/model/flat/BodyCell.java
index d3442ff..d5407ac 100644
--- a/src/main/java/fr/insee/lunatic/model/flat/BodyCell.java
+++ b/src/main/java/fr/insee/lunatic/model/flat/BodyCell.java
@@ -42,7 +42,7 @@ public class BodyCell {
     protected String dateFormat;
     protected String unit;
     @JsonInclude(JsonInclude.Include.NON_EMPTY)
-    protected List<Options> options;
+    protected List<Option> options;
     /** For suggester cells: Name of the code list used for auto-completion. */
     private String storeName;
     /** For component cells: collected response of the cell. */
diff --git a/src/main/java/fr/insee/lunatic/model/flat/CheckboxGroup.java b/src/main/java/fr/insee/lunatic/model/flat/CheckboxGroup.java
index 4989a1c..627b560 100644
--- a/src/main/java/fr/insee/lunatic/model/flat/CheckboxGroup.java
+++ b/src/main/java/fr/insee/lunatic/model/flat/CheckboxGroup.java
@@ -17,7 +17,7 @@ public class CheckboxGroup extends ComponentType implements ComponentMultipleRes
     protected Orientation orientation;
 
     /** List of the modalities of the checkbox component. */
-    protected List<ResponsesCheckboxGroup> responses;
+    protected List<ResponseCheckboxGroup> responses;
 
     public CheckboxGroup() {
         super();
diff --git a/src/main/java/fr/insee/lunatic/model/flat/CheckboxOne.java b/src/main/java/fr/insee/lunatic/model/flat/CheckboxOne.java
index 6558191..6559353 100644
--- a/src/main/java/fr/insee/lunatic/model/flat/CheckboxOne.java
+++ b/src/main/java/fr/insee/lunatic/model/flat/CheckboxOne.java
@@ -18,7 +18,7 @@ public class CheckboxOne extends ComponentType implements ComponentSimpleRespons
     protected Orientation orientation;
 
     /** List of the modalities of the checkbox component. */
-    protected List<Options> options;
+    protected List<Option> options;
 
     /** {@link ResponseType} */
     @JsonProperty(required = true)
diff --git a/src/main/java/fr/insee/lunatic/model/flat/Dropdown.java b/src/main/java/fr/insee/lunatic/model/flat/Dropdown.java
index f49788c..e28f7b7 100644
--- a/src/main/java/fr/insee/lunatic/model/flat/Dropdown.java
+++ b/src/main/java/fr/insee/lunatic/model/flat/Dropdown.java
@@ -14,7 +14,7 @@ public class Dropdown
     implements ComponentSimpleResponseType
 {
 
-    protected List<Options> options;
+    protected List<Option> options;
 
     @JsonProperty(required = true)
     protected ResponseType response;
diff --git a/src/main/java/fr/insee/lunatic/model/flat/HeaderType.java b/src/main/java/fr/insee/lunatic/model/flat/HeaderType.java
index 8181e6d..0796d66 100644
--- a/src/main/java/fr/insee/lunatic/model/flat/HeaderType.java
+++ b/src/main/java/fr/insee/lunatic/model/flat/HeaderType.java
@@ -21,7 +21,7 @@ public class HeaderType {
     protected String value;
     protected LabelType label;
     @JsonInclude(JsonInclude.Include.NON_EMPTY)
-    protected List<Options> options;
+    protected List<Option> options;
     protected BigInteger colspan;
     protected BigInteger rowspan;
 
diff --git a/src/main/java/fr/insee/lunatic/model/flat/Options.java b/src/main/java/fr/insee/lunatic/model/flat/Option.java
similarity index 66%
rename from src/main/java/fr/insee/lunatic/model/flat/Options.java
rename to src/main/java/fr/insee/lunatic/model/flat/Option.java
index 4312abd..121d3be 100644
--- a/src/main/java/fr/insee/lunatic/model/flat/Options.java
+++ b/src/main/java/fr/insee/lunatic/model/flat/Option.java
@@ -1,12 +1,11 @@
 package fr.insee.lunatic.model.flat;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import lombok.Getter;
 import lombok.Setter;
 
-// TODO: this object class should be renamed to "Option" (singular), the current plural name is misleading.
-
 /**
  * Option / modality of a unique choice component (dropdown, radio, checkbox one).
  */
@@ -16,7 +15,7 @@
 })
 @Getter
 @Setter
-public class Options {
+public class Option {
 
     /** Response value associated to the modality. */
     @JsonProperty(required = true)
@@ -26,7 +25,13 @@ public class Options {
     @JsonProperty(required = true)
     protected LabelType label;
 
+    /** Filter that determines if the option is displayed or not.
+     * If null, the option is displayed. */
+    @JsonInclude(JsonInclude.Include.NON_NULL)
+    protected ConditionFilterType conditionFilter;
+
     /** {@link DetailResponse} */
+    @JsonInclude(JsonInclude.Include.NON_NULL)
     protected DetailResponse detail;
 
 }
diff --git a/src/main/java/fr/insee/lunatic/model/flat/Radio.java b/src/main/java/fr/insee/lunatic/model/flat/Radio.java
index 8c695fa..e62bbd4 100644
--- a/src/main/java/fr/insee/lunatic/model/flat/Radio.java
+++ b/src/main/java/fr/insee/lunatic/model/flat/Radio.java
@@ -18,7 +18,7 @@ public class Radio extends ComponentType implements ComponentSimpleResponseType
     protected Orientation orientation;
 
     /** List of the modalities of the radio component. */
-    protected List<Options> options;
+    protected List<Option> options;
 
     /** {@link ResponseType} */
     @JsonProperty(required = true)
diff --git a/src/main/java/fr/insee/lunatic/model/flat/ResponseCheckboxGroup.java b/src/main/java/fr/insee/lunatic/model/flat/ResponseCheckboxGroup.java
new file mode 100644
index 0000000..81c409b
--- /dev/null
+++ b/src/main/java/fr/insee/lunatic/model/flat/ResponseCheckboxGroup.java
@@ -0,0 +1,40 @@
+package fr.insee.lunatic.model.flat;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import lombok.Getter;
+import lombok.Setter;
+
+@JsonPropertyOrder({
+        "id",
+        "label",
+        "response",
+        "detail"
+})
+@Getter
+@Setter
+public class ResponseCheckboxGroup {
+
+    /** Identifier of the response object. */
+    @JsonProperty(required = true)
+    protected String id;
+
+    /** Displayed label of the modality. */
+    @JsonProperty(required = true)
+    protected LabelType label;
+
+    /** Filter that determines if the option is displayed or not.
+     * If null, the option is displayed. */
+    @JsonInclude(JsonInclude.Include.NON_NULL)
+    protected ConditionFilterType conditionFilter;
+
+    /** Response name of the collected variable that corresponds to the modality. */
+    @JsonProperty(required = true)
+    protected ResponseType response;
+
+    /** {@link DetailResponse} */
+    @JsonInclude(JsonInclude.Include.NON_NULL)
+    protected DetailResponse detail;
+
+}
diff --git a/src/main/java/fr/insee/lunatic/model/flat/ResponsesCheckboxGroup.java b/src/main/java/fr/insee/lunatic/model/flat/ResponsesCheckboxGroup.java
deleted file mode 100644
index 35ef327..0000000
--- a/src/main/java/fr/insee/lunatic/model/flat/ResponsesCheckboxGroup.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package fr.insee.lunatic.model.flat;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-import com.fasterxml.jackson.annotation.JsonPropertyOrder;
-import lombok.Getter;
-import lombok.Setter;
-
-@JsonPropertyOrder({
-        "id",
-        "label",
-        "response",
-        "detail"
-})
-@Getter
-@Setter
-public class ResponsesCheckboxGroup {
-
-    @JsonProperty(required = true)
-    protected LabelType label;
-
-    @JsonProperty(required = true)
-    protected ResponseType response;
-
-    protected DetailResponse detail;
-
-    @JsonProperty(required = true)
-    protected String id;
-}
diff --git a/src/test/java/fr/insee/lunatic/conversion/CheckboxGroupSerializationTest.java b/src/test/java/fr/insee/lunatic/conversion/CheckboxGroupSerializationTest.java
index 0abd732..b0e0c42 100644
--- a/src/test/java/fr/insee/lunatic/conversion/CheckboxGroupSerializationTest.java
+++ b/src/test/java/fr/insee/lunatic/conversion/CheckboxGroupSerializationTest.java
@@ -18,7 +18,7 @@ void serializeCheckboxGroup() throws SerializationException, JSONException {
         CheckboxGroup checkboxGroup = new CheckboxGroup();
         checkboxGroup.setId("foo-id");
         //
-        ResponsesCheckboxGroup response1 = new ResponsesCheckboxGroup();
+        ResponseCheckboxGroup response1 = new ResponseCheckboxGroup();
         response1.setId("response1-id");
         response1.setLabel(new LabelType());
         response1.getLabel().setValue("\"Option A\"");
@@ -27,16 +27,19 @@ void serializeCheckboxGroup() throws SerializationException, JSONException {
         response1.getResponse().setName("FOO_A");
         checkboxGroup.getResponses().add(response1);
         //
-        ResponsesCheckboxGroup response2 = new ResponsesCheckboxGroup();
+        ResponseCheckboxGroup response2 = new ResponseCheckboxGroup();
         response2.setId("response2-id");
         response2.setLabel(new LabelType());
         response2.getLabel().setValue("\"Option B\"");
         response2.getLabel().setType(LabelTypeEnum.VTL);
+        response2.setConditionFilter(new ConditionFilterType());
+        response2.getConditionFilter().setValue("<some filter expression>");
+        response2.getConditionFilter().setType(LabelTypeEnum.VTL);
         response2.setResponse(new ResponseType());
         response2.getResponse().setName("FOO_B");
         checkboxGroup.getResponses().add(response2);
         //
-        ResponsesCheckboxGroup responseOther = new ResponsesCheckboxGroup();
+        ResponseCheckboxGroup responseOther = new ResponseCheckboxGroup();
         responseOther.setId("response-other1-id");
         responseOther.setLabel(new LabelType());
         responseOther.getLabel().setValue("\"Other\"");
@@ -51,13 +54,16 @@ void serializeCheckboxGroup() throws SerializationException, JSONException {
         responseOther.getDetail().getResponse().setName("FOO_C_DETAIL");
         checkboxGroup.getResponses().add(responseOther);
         //
-        ResponsesCheckboxGroup responseOther2 = new ResponsesCheckboxGroup();
+        ResponseCheckboxGroup responseOther2 = new ResponseCheckboxGroup();
         responseOther2.setId("response-other2-id");
         responseOther2.setLabel(new LabelType());
         responseOther2.getLabel().setValue("\"Another\"");
         responseOther2.getLabel().setType(LabelTypeEnum.VTL);
-        responseOther.setResponse(new ResponseType());
-        responseOther.getResponse().setName("FOO_D");
+        responseOther2.setConditionFilter(new ConditionFilterType());
+        responseOther2.getConditionFilter().setValue("<some filter expression>");
+        responseOther2.getConditionFilter().setType(LabelTypeEnum.VTL);
+        responseOther2.setResponse(new ResponseType());
+        responseOther2.getResponse().setName("FOO_D");
         responseOther2.setDetail(new DetailResponse());
         responseOther2.getDetail().setLabel(new LabelType());
         responseOther2.getDetail().getLabel().setValue("\"Please specify:\"");
@@ -99,6 +105,10 @@ void serializeCheckboxGroup() throws SerializationException, JSONException {
                             "value": "\\"Option B\\"",
                             "type": "VTL"
                           },
+                          "conditionFilter": {
+                            "value": "<some filter expression>",
+                            "type": "VTL"
+                          },
                           "response": {
                             "name": "FOO_B"
                           }
@@ -110,7 +120,7 @@ void serializeCheckboxGroup() throws SerializationException, JSONException {
                             "type": "VTL"
                           },
                           "response": {
-                            "name": "FOO_D"
+                            "name": "FOO_C"
                           },
                           "detail": {
                             "label": {
@@ -128,6 +138,13 @@ void serializeCheckboxGroup() throws SerializationException, JSONException {
                             "value": "\\"Another\\"",
                             "type": "VTL"
                           },
+                          "conditionFilter": {
+                            "value": "<some filter expression>",
+                            "type": "VTL"
+                          },
+                          "response": {
+                            "name": "FOO_D"
+                          },
                           "detail": {
                             "label": {
                               "value": "\\"Please specify:\\"",
diff --git a/src/test/java/fr/insee/lunatic/conversion/CheckboxOneSerializationTest.java b/src/test/java/fr/insee/lunatic/conversion/CheckboxOneSerializationTest.java
index 72120fb..656eeb8 100644
--- a/src/test/java/fr/insee/lunatic/conversion/CheckboxOneSerializationTest.java
+++ b/src/test/java/fr/insee/lunatic/conversion/CheckboxOneSerializationTest.java
@@ -18,21 +18,21 @@ void serializeCheckboxOne() throws SerializationException, JSONException {
         CheckboxOne checkboxOne = new CheckboxOne();
         checkboxOne.setId("foo-id");
         //
-        Options option1 = new Options();
+        Option option1 = new Option();
         option1.setLabel(new LabelType());
         option1.setValue("1");
         option1.getLabel().setValue("\"Option A\"");
         option1.getLabel().setType(LabelTypeEnum.VTL);
         checkboxOne.getOptions().add(option1);
         //
-        Options option2 = new Options();
+        Option option2 = new Option();
         option2.setValue("2");
         option2.setLabel(new LabelType());
         option2.getLabel().setValue("\"Option B\"");
         option2.getLabel().setType(LabelTypeEnum.VTL);
         checkboxOne.getOptions().add(option2);
         //
-        Options optionOther = new Options();
+        Option optionOther = new Option();
         optionOther.setValue("3");
         optionOther.setLabel(new LabelType());
         optionOther.getLabel().setValue("\"Other\"");
diff --git a/src/test/java/fr/insee/lunatic/conversion/RadioSerializationTest.java b/src/test/java/fr/insee/lunatic/conversion/RadioSerializationTest.java
index 1359adb..6a4e485 100644
--- a/src/test/java/fr/insee/lunatic/conversion/RadioSerializationTest.java
+++ b/src/test/java/fr/insee/lunatic/conversion/RadioSerializationTest.java
@@ -24,21 +24,24 @@ void serializeRadio() throws SerializationException, JSONException {
         radio.setId("foo-id");
         radio.setOrientation(Orientation.HORIZONTAL);
         //
-        Options option1 = new Options();
+        Option option1 = new Option();
         option1.setLabel(new LabelType());
         option1.setValue("1");
         option1.getLabel().setValue("\"Option A\"");
         option1.getLabel().setType(LabelTypeEnum.VTL);
         radio.getOptions().add(option1);
         //
-        Options option2 = new Options();
+        Option option2 = new Option();
         option2.setValue("2");
         option2.setLabel(new LabelType());
         option2.getLabel().setValue("\"Option B\"");
         option2.getLabel().setType(LabelTypeEnum.VTL);
+        option2.setConditionFilter(new ConditionFilterType());
+        option2.getConditionFilter().setValue("<some filter expression>");
+        option2.getConditionFilter().setType(LabelTypeEnum.VTL);
         radio.getOptions().add(option2);
         //
-        Options optionOther = new Options();
+        Option optionOther = new Option();
         optionOther.setValue("3");
         optionOther.setLabel(new LabelType());
         optionOther.getLabel().setValue("\"Other\"");
@@ -83,6 +86,10 @@ void serializeRadio() throws SerializationException, JSONException {
                           "label": {
                             "value": "\\"Option B\\"",
                             "type": "VTL"
+                          },
+                          "conditionFilter": {
+                            "value": "<some filter expression>",
+                            "type": "VTL"
                           }
                         },
                         {
diff --git a/src/test/java/fr/insee/lunatic/conversion/ResponsesCheckboxGroupTest.java b/src/test/java/fr/insee/lunatic/conversion/ResponseCheckboxGroupTest.java
similarity index 56%
rename from src/test/java/fr/insee/lunatic/conversion/ResponsesCheckboxGroupTest.java
rename to src/test/java/fr/insee/lunatic/conversion/ResponseCheckboxGroupTest.java
index fa1563b..e9d3e2a 100644
--- a/src/test/java/fr/insee/lunatic/conversion/ResponsesCheckboxGroupTest.java
+++ b/src/test/java/fr/insee/lunatic/conversion/ResponseCheckboxGroupTest.java
@@ -8,26 +8,26 @@
 import org.skyscreamer.jsonassert.JSONAssert;
 import org.skyscreamer.jsonassert.JSONCompareMode;
 
-class ResponsesCheckboxGroupTest {
+class ResponseCheckboxGroupTest {
 
     @Test
     void serializeResponseWithDetail() throws JsonProcessingException, JSONException {
         //
-        ResponsesCheckboxGroup responsesCheckboxGroup = new ResponsesCheckboxGroup();
-        responsesCheckboxGroup.setId("kmort6x9-QOP-kmorue9d");
-        responsesCheckboxGroup.setLabel(new LabelType());
-        responsesCheckboxGroup.getLabel().setValue("\"Autre\"");
-        responsesCheckboxGroup.getLabel().setType(LabelTypeEnum.VTL);
-        responsesCheckboxGroup.setResponse(new ResponseType());
-        responsesCheckboxGroup.getResponse().setName("NATIO1N5");
-        responsesCheckboxGroup.setDetail(new DetailResponse());
-        responsesCheckboxGroup.getDetail().setLabel(new LabelType());
-        responsesCheckboxGroup.getDetail().getLabel().setValue("\"Préciser : \"");
-        responsesCheckboxGroup.getDetail().getLabel().setType(LabelTypeEnum.VTL);
-        responsesCheckboxGroup.getDetail().setResponse(new ResponseType());
-        responsesCheckboxGroup.getDetail().getResponse().setName("NATIO1N5DETAIL");
+        ResponseCheckboxGroup responseCheckboxGroup = new ResponseCheckboxGroup();
+        responseCheckboxGroup.setId("kmort6x9-QOP-kmorue9d");
+        responseCheckboxGroup.setLabel(new LabelType());
+        responseCheckboxGroup.getLabel().setValue("\"Autre\"");
+        responseCheckboxGroup.getLabel().setType(LabelTypeEnum.VTL);
+        responseCheckboxGroup.setResponse(new ResponseType());
+        responseCheckboxGroup.getResponse().setName("NATIO1N5");
+        responseCheckboxGroup.setDetail(new DetailResponse());
+        responseCheckboxGroup.getDetail().setLabel(new LabelType());
+        responseCheckboxGroup.getDetail().getLabel().setValue("\"Préciser : \"");
+        responseCheckboxGroup.getDetail().getLabel().setType(LabelTypeEnum.VTL);
+        responseCheckboxGroup.getDetail().setResponse(new ResponseType());
+        responseCheckboxGroup.getDetail().getResponse().setName("NATIO1N5DETAIL");
         //
-        String result = new ObjectMapper().writeValueAsString(responsesCheckboxGroup);
+        String result = new ObjectMapper().writeValueAsString(responseCheckboxGroup);
         //
         String expectedJson = """
                 {