diff --git a/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/WEB-INF/src/it/nextmind/liferay/portos/advanced/operation/portlet/AdvancedOperationPortlet.java b/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/WEB-INF/src/it/nextmind/liferay/portos/advanced/operation/portlet/AdvancedOperationPortlet.java
index 0f0d8ffb..a380e81f 100644
--- a/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/WEB-INF/src/it/nextmind/liferay/portos/advanced/operation/portlet/AdvancedOperationPortlet.java
+++ b/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/WEB-INF/src/it/nextmind/liferay/portos/advanced/operation/portlet/AdvancedOperationPortlet.java
@@ -37,11 +37,11 @@ import javax.portlet.ActionResponse;
 public class AdvancedOperationPortlet extends MVCPortlet {
 
 	private static final Log _log = LogFactoryUtil.getLog(AdvancedOperationPortlet.class);
-	
+
 	public void deleteControlloPratica(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception{
 
 		_checkIfUserIsCompanyAdmin(actionRequest);
-		
+
 		long intPraticaId = ParamUtil.getLong(actionRequest, "intPraticaId", 0L);
 		if (intPraticaId != 0L) {
 			List<ControlloPratica> controlloPraticaList = 
@@ -52,24 +52,24 @@ public class AdvancedOperationPortlet extends MVCPortlet {
 			for(ControlloPratica cp : controlloPraticaList){
 				if(_log.isDebugEnabled()){
 					_log.debug("AdvancedOperationPortlet --- Cycling... ControlloPraticaID " + cp.getCompanyId()
-						+ " Status " + cp.getStatus());
+							+ " Status " + cp.getStatus());
 				}
 				if(ArrayUtil.contains(AdvancedOperationUtil.STATUS_ARRAY, cp.getStatus())){
 					_log.info("AdvancedOperationPortlet --- Deleting ControlloPratica " + cp.getControlloPraticaId() + 
-						" with Status " + cp.getStatus() +" of IntPraticaId " + intPraticaId);
+							" with Status " + cp.getStatus() +" of IntPraticaId " + intPraticaId);
 					ControlloPraticaLocalServiceUtil.deleteControlloPratica(cp);
 				}
 			}
 		}
 		actionResponse.setRenderParameter("intPraticaId", String.valueOf(intPraticaId));
 	}
-	
+
 	public void reindexPratica(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception{
 
 		_checkIfUserIsCompanyAdmin(actionRequest);
-		
+
 		ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);
-		
+
 		long intPraticaId = ParamUtil.getLong(actionRequest, "intPraticaId", 0L);
 		if (intPraticaId != 0L) {
 			_log.info("AdvancedOperationPortlet --- Reindexing fascicolo of IntPraticaId " + intPraticaId);
@@ -77,23 +77,45 @@ public class AdvancedOperationPortlet extends MVCPortlet {
 		}
 		actionResponse.setRenderParameter("intPraticaId", String.valueOf(intPraticaId));
 	}	
-	
+
 	public void cambiaDataInizioLavori(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception{
 
 		_checkIfUserIsCompanyAdmin(actionRequest);
 
 		long intPraticaId = ParamUtil.getLong(actionRequest, "intPraticaId", -1L);
+		IntPratica intPratica = IntPraticaLocalServiceUtil.fetchIntPratica(intPraticaId);
+		
 		Date dataInizioLavoriOpera = ParamUtil.getDate(actionRequest, "dataInizioLavoriOperaInput",
 				DateFormatFactoryUtil.getSimpleDateFormat("yyyy-MM-dd"), null);
-		IntPratica intPratica = IntPraticaLocalServiceUtil.fetchIntPratica(intPraticaId);
+		
 		_log.info("AdvancedOperationPortlet --- Changing DataInizioLavori on DettPraticas of IntPraticaId" + intPraticaId);
+		_setDataInizioLavori(intPratica, dataInizioLavoriOpera);
+		
+		actionResponse.setRenderParameter("intPraticaId", String.valueOf(intPraticaId));
+	}
+
+	public void resetDataInizioLavori(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception{
+
+		_checkIfUserIsCompanyAdmin(actionRequest);
+
+		long intPraticaId = ParamUtil.getLong(actionRequest, "intPraticaId", -1L);
+		IntPratica intPratica = IntPraticaLocalServiceUtil.fetchIntPratica(intPraticaId);
+		
+		if(AdvancedOperationUtil.hasNoFineLavori(intPratica)){
+			_log.info("AdvancedOperationPortlet --- Resetting DataInizioLavori on DettPraticas of IntPraticaId" + intPraticaId);
+			_setDataInizioLavori(intPratica, null);
+		}
+		actionResponse.setRenderParameter("intPraticaId", String.valueOf(intPraticaId));
+	}
+
+	private void _setDataInizioLavori(IntPratica intPratica, Date dataInizioLavoriOpera)
+			throws SystemException {
 		List<DettPratica> dettPraticaListWithInizioLavori = AdvancedOperationUtil.fetchDettPraticaListWithInizioLavori(intPratica);
 		for(DettPratica dettPratica : dettPraticaListWithInizioLavori){
 			dettPratica.setDataInizioLavoriOpera(dataInizioLavoriOpera);
 			dettPratica.setModifiedDate(new Date());
 			DettPraticaLocalServiceUtil.updateDettPratica(dettPratica);
 		}
-		actionResponse.setRenderParameter("intPraticaId", String.valueOf(intPraticaId));
 	}
 
 	public void fixNormLavoriInProprio(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception{
@@ -172,7 +194,7 @@ public class AdvancedOperationPortlet extends MVCPortlet {
 		}
 		actionResponse.setRenderParameter("intPraticaId", String.valueOf(intPraticaId));
 	}
-	
+
 	public void cambiaIstruttore(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception{
 		ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);
 		long intPraticaId = ParamUtil.getLong(actionRequest, "intPraticaId", -1L);
@@ -192,14 +214,14 @@ public class AdvancedOperationPortlet extends MVCPortlet {
 		}
 		actionResponse.setRenderParameter("intPraticaId", String.valueOf(intPraticaId));
 	}
-	
+
 	public void fixUserID(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception{
 
 		_checkIfUserIsCompanyAdmin(actionRequest);
-		
+
 		long intPraticaId = ParamUtil.getLong(actionRequest, "intPraticaId", -1L);
 		IntPratica intPratica = IntPraticaLocalServiceUtil.fetchIntPratica(intPraticaId);
-		
+
 		if(!AdvancedOperationUtil.evalInt_Dett_UserID(intPratica)){
 			DettPratica dettPratica = DettPraticaLocalServiceUtil.getLastEditableByIntPratica(intPratica.getIntPraticaId());
 			if(Validator.isNotNull(dettPratica)){
@@ -218,7 +240,7 @@ public class AdvancedOperationPortlet extends MVCPortlet {
 
 		long intPraticaId = ParamUtil.getLong(actionRequest, "intPraticaId", -1L);
 		IntPratica intPratica = IntPraticaLocalServiceUtil.fetchIntPratica(intPraticaId);
-		
+
 		if(WorkflowConstants.STATUS_INCOMPLETE == intPratica.getStatus()){
 			_log.info("AdvancedOperationPortlet --- Recovering Pratica Vidimata (INCOMPLETE ==> APPROVED) "
 					+ "with IntPraticaId " + intPraticaId);
diff --git a/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/WEB-INF/src/it/nextmind/liferay/portos/advanced/operation/util/AdvancedOperationUtil.java b/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/WEB-INF/src/it/nextmind/liferay/portos/advanced/operation/util/AdvancedOperationUtil.java
index f23544f9..e20005c5 100644
--- a/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/WEB-INF/src/it/nextmind/liferay/portos/advanced/operation/util/AdvancedOperationUtil.java
+++ b/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/WEB-INF/src/it/nextmind/liferay/portos/advanced/operation/util/AdvancedOperationUtil.java
@@ -18,10 +18,12 @@ import com.liferay.portal.service.WorkflowInstanceLinkLocalServiceUtil;
 import it.tref.liferay.portos.bo.model.ControlloPratica;
 import it.tref.liferay.portos.bo.model.DettPratica;
 import it.tref.liferay.portos.bo.model.DocPratica;
+import it.tref.liferay.portos.bo.model.FineLavori;
 import it.tref.liferay.portos.bo.model.IntPratica;
 import it.tref.liferay.portos.bo.service.ControlloPraticaLocalServiceUtil;
 import it.tref.liferay.portos.bo.service.DettPraticaLocalServiceUtil;
 import it.tref.liferay.portos.bo.service.DocPraticaLocalServiceUtil;
+import it.tref.liferay.portos.bo.service.FineLavoriLocalServiceUtil;
 import it.tref.liferay.portos.bo.shared.util.Constants;
 import it.tref.liferay.portos.bo.shared.util.StatoPraticaConstants;
 import it.tref.liferay.portos.bo.util.WorkflowUtil;
@@ -279,6 +281,19 @@ public class AdvancedOperationUtil {
 		}
 		return intPratica.getUserId();
 	}
+	
+	public static boolean hasNoFineLavori(IntPratica intPratica){
+		if(Validator.isNotNull(intPratica)){
+			try {
+				List<FineLavori> fineLavoriList = 
+						FineLavoriLocalServiceUtil.findByIntPraticaId(intPratica.getIntPraticaId(), QueryUtil.ALL_POS, QueryUtil.ALL_POS, null);
+				return fineLavoriList.isEmpty();
+			} catch (SystemException e) {
+				_log.error(e,e);
+			}
+		}
+		return false;
+	}
 
 	private static List<DettPratica> _getDettPraticaList(long intPraticaId) {
 		List<DettPratica> dettPraticaList = new ArrayList<DettPratica>();
diff --git a/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/css/main.css b/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/css/main.css
index fc1d01e6..e61e395a 100644
--- a/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/css/main.css
+++ b/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/css/main.css
@@ -7,4 +7,8 @@
 
 #impersonaSoggettiBtn{
 	cursor: pointer;
+}
+
+.aop-ml-5{
+	margin-left: 5px!important;
 }
\ No newline at end of file
diff --git a/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/html/view.jsp b/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/html/view.jsp
index 36a933c9..480c694f 100644
--- a/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/html/view.jsp
+++ b/liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/docroot/html/view.jsp
@@ -39,6 +39,7 @@
 <%@page import="com.liferay.portal.kernel.util.ParamUtil"%>
 <%@ include file="/html/init.jsp"%>
 
+
 <%
 	long intPraticaId = ParamUtil.getLong(request, "intPraticaId");
 	String numeroProgetto = ParamUtil.getString(request, "numeroProgetto", StringPool.BLANK);
@@ -169,28 +170,51 @@
 										<liferay-portlet:param name="mvcPath" value="/html/view.jsp"/>
 									</liferay-portlet:actionURL>
 									<%
-										String functionDataInizio = "javascript:"+renderResponse.getNamespace()+"openConfirmationDialog('"+renderResponse.getNamespace()+"cambiaDataInizioLavori','Sei sicuro di voler modificare la DATA di INIZIO LAVORI?')";
+										String functionChangeDataInizio = "javascript:"+renderResponse.getNamespace()+"openConfirmationDialog('"+renderResponse.getNamespace()+"cambiaDataInizioLavori','Sei sicuro di voler MODIFICARE la DATA di INIZIO LAVORI?')";
 									%>
-									<aui:form action="<%= cambiaDataInizioLavoriURL %>" method="post" name="cambiaDataInizioLavori">
-										<div style="display:flex;">
+									<div style="display:flex;">
+										<aui:form action="<%= cambiaDataInizioLavoriURL %>" method="post" name="cambiaDataInizioLavori">
+											<div style="display:flex;">
 											<p><b>Data inizio Lavori Opera:</b></p>
-											<aui:input 
-												name="dataInizioLavoriOperaInput" 
-												label=""
-												inlineLabel="left"
-												type="date"
-												value='<%= DateFormatFactoryUtil.getSimpleDateFormat("yyyy-MM-dd").format(dataInizioLavoriOpera) %>'>
-											</aui:input>
-											<div>
-												<aui:button 
-													name="cambiaDataInizioLavoriBtn"
-													cssClass="btn-primary" 
-													type="button" 
-													value="Cambia" 
-													onClick='<%= functionDataInizio %>'/>
+												<aui:input 
+													name="dataInizioLavoriOperaInput" 
+													label=""
+													inlineLabel="left"
+													type="date"
+													value='<%= DateFormatFactoryUtil.getSimpleDateFormat("yyyy-MM-dd").format(dataInizioLavoriOpera) %>'>
+												</aui:input>
+												<div>
+													<aui:button 
+														name="cambiaDataInizioLavoriBtn"
+														cssClass="btn-primary aop-ml-5" 
+														type="button" 
+														value="Cambia" 
+														onClick='<%= functionChangeDataInizio %>'/>
+												</div>
 											</div>
-										</div>
-									</aui:form>
+										</aui:form>
+										<c:if test="<%= AdvancedOperationUtil.hasNoFineLavori(intPratica) %>">
+											<liferay-portlet:actionURL 
+												name="resetDataInizioLavori" 
+												var="resetDataInizioLavoriURL" >
+												<liferay-portlet:param name="intPraticaId" value="<%= String.valueOf(intPraticaId) %>"/>
+												<liferay-portlet:param name="mvcPath" value="/html/view.jsp"/>
+											</liferay-portlet:actionURL>
+											<%
+												String functionResetDataInizio = "javascript:"+renderResponse.getNamespace()+"openConfirmationDialog('"+renderResponse.getNamespace()+"resetDataInizioLavori','Sei sicuro di voler RESETTARE la DATA di INIZIO LAVORI?')";
+											%>
+											<aui:form action="<%= resetDataInizioLavoriURL %>" method="post" name="resetDataInizioLavori"  cssClass="aop-ml-5">
+												<div>
+													<aui:button 
+														name="resetDataInizioLavoriBtn"
+														cssClass="btn-primary" 
+														type="button" 
+														value="Resetta" 
+														onClick='<%= functionResetDataInizio %>'/>
+												</div>
+											</aui:form>
+										</c:if>
+									</div>
 							 	</aui:row>
 						 	<% } %>
 						 	<aui:row>
@@ -433,10 +457,6 @@
 												total="<%= SoggettoLocalServiceUtil.countByIntPratica(intPraticaId) %>"
 											/>
 											<liferay-ui:search-container-row className="it.tref.liferay.portos.bo.model.Soggetto" modelVar="soggetto">
-												<liferay-security:doAsURL 
-													doAsUserId="<%= soggetto.getUserId() %>"
-													var="impersonateSoggettoURL">
-												</liferay-security:doAsURL>
 												<liferay-ui:search-container-column-text name="RUOLO">
 													<%= soggetto.getFullTipologiaSoggetto() %>
 												</liferay-ui:search-container-column-text>
@@ -451,14 +471,24 @@
 													}
 													%>
 												</liferay-ui:search-container-column-text>
+												<%
+													User soggettoUser = 
+														UserLocalServiceUtil.fetchUserByScreenName(company.getCompanyId(), soggetto.getCodiceFiscale());
+												%>
 												<liferay-ui:search-container-column-text name="IMPERSONA" cssClass="text-center text-nowrap">
-													<liferay-ui:icon 
-														image="impersonate_user"
-														message="Impersona Soggetto"
-														target="_blank"
-														url="<%= impersonateSoggettoURL %>" 
-													>
-													</liferay-ui:icon>
+													<c:if test="<%= Validator.isNotNull(soggettoUser) %>">
+														<liferay-security:doAsURL 
+															doAsUserId="<%= soggettoUser.getUserId() %>"
+															var="impersonateSoggettoURL">
+														</liferay-security:doAsURL>
+														<liferay-ui:icon 
+															image="impersonate_user"
+															message="Impersona Soggetto"
+															target="_blank"
+															url="<%= impersonateSoggettoURL %>" 
+														>
+														</liferay-ui:icon>
+													</c:if>
 												</liferay-ui:search-container-column-text>
 											</liferay-ui:search-container-row>
 											<liferay-ui:search-iterator paginate="false" />