diff --git a/public/typo3conf/ext/ep_products/Classes/Controller/GroupsPriceController.php b/public/typo3conf/ext/ep_products/Classes/Controller/GroupsPriceController.php
index 49300c80..e68a4fca 100644
--- a/public/typo3conf/ext/ep_products/Classes/Controller/GroupsPriceController.php
+++ b/public/typo3conf/ext/ep_products/Classes/Controller/GroupsPriceController.php
@@ -52,8 +52,10 @@ class GroupsPriceController extends ActionController
         $this->view->assign('hotel', $hotel);
         $this->view->assign('runningCostsEUR', $this->settings['runningCostsEUR']);
         $this->view->assign('runningCostsCHF', $this->settings['runningCostsCHF']);
-        $this->view->assign('undersubscriptionEUR', $this->settings['undersubscriptionEUR']);
-        $this->view->assign('undersubscriptionCHF', $this->settings['undersubscriptionCHF']);
+        $this->view->assign('undersubscription30EUR', $this->settings['undersubscription30EUR']);
+        $this->view->assign('undersubscription30CHF', $this->settings['undersubscription30CHF']);
+        $this->view->assign('undersubscription40EUR', $this->settings['undersubscription40EUR']);
+        $this->view->assign('undersubscription40CHF', $this->settings['undersubscription40CHF']);
         $this->view->assign('countryCode', $hotel->getCountry()->getCode());
         $this->view->assign('configs', json_encode(array_values($configs), JSON_HEX_APOS));
         $this->view->assign('boards', json_encode($hotel->getGroupsPriceBoards()->toArray(), JSON_HEX_APOS));
diff --git a/public/typo3conf/ext/ep_products/Configuration/FlexForms/flexform_groups_price_calculator.xml b/public/typo3conf/ext/ep_products/Configuration/FlexForms/flexform_groups_price_calculator.xml
index 67cb1a72..f8c607c3 100644
--- a/public/typo3conf/ext/ep_products/Configuration/FlexForms/flexform_groups_price_calculator.xml
+++ b/public/typo3conf/ext/ep_products/Configuration/FlexForms/flexform_groups_price_calculator.xml
@@ -32,28 +32,50 @@
 							</config>
 						</TCEforms>
 					</settings.runningCostsCHF>
-					<settings.undersubscriptionEUR>
+					<settings.undersubscription30EUR>
 						<TCEforms>
 							<exclude>0</exclude>
-							<label>Unterbelegung EUR</label>
+							<label>Unterbelegung 30-39 Personen EUR</label>
 							<config>
 								<type>input</type>
 								<default>5.0</default>
 								<eval>double2,required</eval>
 							</config>
 						</TCEforms>
-					</settings.undersubscriptionEUR>
-					<settings.undersubscriptionCHF>
+					</settings.undersubscription30EUR>
+					<settings.undersubscription30CHF>
 						<TCEforms>
 							<exclude>0</exclude>
-							<label>Unterbelegung CHF</label>
+							<label>Unterbelegung 30-39 Personen CHF</label>
 							<config>
 								<type>input</type>
 								<default>5.0</default>
 								<eval>double2,required</eval>
 							</config>
 						</TCEforms>
-					</settings.undersubscriptionCHF>
+					</settings.undersubscription30CHF>
+					<settings.undersubscription40EUR>
+						<TCEforms>
+							<exclude>0</exclude>
+							<label>Unterbelegung 40-49 Personen EUR</label>
+							<config>
+								<type>input</type>
+								<default>2.5</default>
+								<eval>double2,required</eval>
+							</config>
+						</TCEforms>
+					</settings.undersubscription40EUR>
+					<settings.undersubscription40CHF>
+						<TCEforms>
+							<exclude>0</exclude>
+							<label>Unterbelegung 40-49 Personen CHF</label>
+							<config>
+								<type>input</type>
+								<default>2.5</default>
+								<eval>double2,required</eval>
+							</config>
+						</TCEforms>
+					</settings.undersubscription40CHF>
 				</el>
 			</ROOT>
 		</sDEF>
diff --git a/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue b/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue
index a291d6f3..e659cadc 100644
--- a/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue
+++ b/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue
@@ -294,14 +294,22 @@ export default {
             type: Number,
             default: 2.9,
         },
-        undersubscriptionEur: {
+        undersubscription30Eur: {
             type: Number,
             default: 5.0,
         },
-        undersubscriptionChf: {
+        undersubscription30Chf: {
             type: Number,
             default: 5.0,
         },
+        undersubscription40Eur: {
+            type: Number,
+            default: 2.5,
+        },
+        undersubscription40Chf: {
+            type: Number,
+            default: 2.5,
+        },
         countryCode: {
             type: String,
             required: true
@@ -530,9 +538,12 @@ export default {
                     }
                 }
             }
-            if (this.selectedBoard && this.selectedPax < 50) {
-                undersubscription.EUR = this.selectedPax * this.undersubscriptionEur * this.selectedRange.length
-                undersubscription.CHF = this.selectedPax * this.undersubscriptionChf * this.selectedRange.length
+            if (this.selectedBoard && this.selectedPax < 40) {
+                undersubscription.EUR = this.selectedPax * this.undersubscription30Eur * this.selectedRange.length
+                undersubscription.CHF = this.selectedPax * this.undersubscription30Chf * this.selectedRange.length
+            } else if (this.selectedBoard && this.selectedPax < 50) {
+                undersubscription.EUR = this.selectedPax * this.undersubscription40Eur * this.selectedRange.length
+                undersubscription.CHF = this.selectedPax * this.undersubscription40Chf * this.selectedRange.length
             }
 
             return {base, additional, undersubscription}