diff --git a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/EXCELParser.java b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/EXCELParser.java
index 0f83499e4..cc18c6f54 100644
--- a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/EXCELParser.java
+++ b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/EXCELParser.java
@@ -22,7 +22,7 @@ import org.apache.poi.xssf.usermodel.XSSFWorkbook;
  */
 public class EXCELParser {
 
-	public <R> List<R> parse(InputStream file, String classForName)
+	public <R> List<R> parse(InputStream file, String classForName, String sheetName)
 		throws ClassNotFoundException, IOException, IllegalAccessException, InstantiationException,
 		InvalidFormatException {
 
@@ -30,7 +30,11 @@ public class EXCELParser {
 		OPCPackage pkg = OPCPackage.open(file);
 		XSSFWorkbook wb = new XSSFWorkbook(pkg);
 
-		XSSFSheet sheet = wb.getSheet("cordisref-H2020topics");
+		XSSFSheet sheet = wb.getSheet(sheetName);
+
+		if(sheetName == null){
+			throw new RuntimeException("Sheet name " + sheetName + " not present in current file");
+		}
 
 		List<R> ret = new ArrayList<>();
 
@@ -49,7 +53,7 @@ public class EXCELParser {
 					headers.add(dataFormatter.formatCellValue(cell));
 				}
 			} else {
-				Class<?> clazz = Class.forName("eu.dnetlib.dhp.actionmanager.project.utils.EXCELTopic");
+				Class<?> clazz = Class.forName(classForName);
 				final Object cc = clazz.newInstance();
 
 				for (int i = 0; i < headers.size(); i++) {
diff --git a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/ReadExcel.java b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/ReadExcel.java
index 23b58f2a0..7644ba04c 100644
--- a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/ReadExcel.java
+++ b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/project/utils/ReadExcel.java
@@ -42,19 +42,20 @@ public class ReadExcel implements Closeable {
 		final String hdfsPath = parser.get("hdfsPath");
 		final String hdfsNameNode = parser.get("hdfsNameNode");
 		final String classForName = parser.get("classForName");
+		final String sheetName = parser.get("sheetName");
 
 		try (final ReadExcel readExcel = new ReadExcel(hdfsPath, hdfsNameNode, fileURL)) {
 
 			log.info("Getting Excel file...");
-			readExcel.execute(classForName);
+			readExcel.execute(classForName, sheetName);
 
 		}
 	}
 
-	public void execute(final String classForName) throws Exception {
+	public void execute(final String classForName, final String sheetName) throws Exception {
 		EXCELParser excelParser = new EXCELParser();
 		excelParser
-			.parse(excelFile, classForName)
+			.parse(excelFile, classForName, sheetName)
 			.stream()
 			.forEach(p -> write(p));
 
diff --git a/dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/project/oozie_app/workflow.xml b/dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/project/oozie_app/workflow.xml
index c710c8b55..8ce581885 100644
--- a/dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/project/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/project/oozie_app/workflow.xml
@@ -65,6 +65,7 @@
             <arg>--hdfsNameNode</arg><arg>${nameNode}</arg>
             <arg>--fileURL</arg><arg>${topicFileURL}</arg>
             <arg>--hdfsPath</arg><arg>${workingDir}/topic</arg>
+            <arg>--sheetName</arg><arg>${sheetName}</arg>
             <arg>--classForName</arg><arg>eu.dnetlib.dhp.actionmanager.project.utils.EXCELTopic</arg>
         </java>
         <ok to="read_projects"/>
diff --git a/dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/project/parameters.json b/dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/project/parameters.json
index dd3de70f6..b6c9c94b9 100644
--- a/dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/project/parameters.json
+++ b/dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/project/parameters.json
@@ -23,6 +23,11 @@
   "paramLongName" : "classForName",
   "paramDescription" : "the name of the class to deserialize the csv to",
   "paramRequired" : true
+}, {
+  "paramName": "sn",
+  "paramLongName" : "sheetName",
+  "paramDescription" : "the name of the sheet in case the file is excel",
+  "paramRequired" : false
 }
 
 
diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/PrepareResultInstRepoAssociation.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/PrepareResultInstRepoAssociation.java
index fe5889c53..a41399627 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/PrepareResultInstRepoAssociation.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/PrepareResultInstRepoAssociation.java
@@ -4,6 +4,11 @@ package eu.dnetlib.dhp.resulttoorganizationfrominstrepo;
 import static eu.dnetlib.dhp.PropagationConstant.*;
 import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkHiveSession;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+
 import org.apache.commons.io.IOUtils;
 import org.apache.hadoop.io.compress.GzipCodec;
 import org.apache.spark.SparkConf;
@@ -51,6 +56,11 @@ public class PrepareResultInstRepoAssociation {
 		final String alreadyLinkedPath = parser.get("alreadyLinkedPath");
 		log.info("alreadyLinkedPath {}: ", alreadyLinkedPath);
 
+		List<String> blacklist = Optional
+			.ofNullable(parser.get("blacklist"))
+			.map(v -> Arrays.asList(v.split(";")))
+			.orElse(new ArrayList<>());
+
 		SparkConf conf = new SparkConf();
 		conf.set("hive.metastore.uris", parser.get("hive_metastore_uris"));
 
@@ -61,7 +71,7 @@ public class PrepareResultInstRepoAssociation {
 				readNeededResources(spark, inputPath);
 
 				removeOutputDir(spark, datasourceOrganizationPath);
-				prepareDatasourceOrganization(spark, datasourceOrganizationPath);
+				prepareDatasourceOrganization(spark, datasourceOrganizationPath, blacklist);
 
 				removeOutputDir(spark, alreadyLinkedPath);
 				prepareAlreadyLinkedAssociation(spark, alreadyLinkedPath);
@@ -80,7 +90,14 @@ public class PrepareResultInstRepoAssociation {
 	}
 
 	private static void prepareDatasourceOrganization(
-		SparkSession spark, String datasourceOrganizationPath) {
+		SparkSession spark, String datasourceOrganizationPath, List<String> blacklist) {
+		String blacklisted = "";
+		if (blacklist.size() > 0) {
+			blacklisted = " AND  d.id != '" + blacklist.get(0) + "'";
+			for (int i = 1; i < blacklist.size(); i++) {
+				blacklisted += " AND d.id != '" + blacklist.get(i) + "'";
+			}
+		}
 
 		String query = "SELECT source datasourceId, target organizationId "
 			+ "FROM ( SELECT id "
@@ -88,7 +105,7 @@ public class PrepareResultInstRepoAssociation {
 			+ "WHERE datasourcetype.classid = '"
 			+ INSTITUTIONAL_REPO_TYPE
 			+ "' "
-			+ "AND datainfo.deletedbyinference = false  ) d "
+			+ "AND datainfo.deletedbyinference = false  " + blacklisted + " ) d "
 			+ "JOIN ( SELECT source, target "
 			+ "FROM relation "
 			+ "WHERE lower(relclass) = '"
diff --git a/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/input_prepareresultorg_parameters.json b/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/input_prepareresultorg_parameters.json
index c74496350..2f00bacae 100644
--- a/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/input_prepareresultorg_parameters.json
+++ b/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/input_prepareresultorg_parameters.json
@@ -28,5 +28,10 @@
     "paramLongName": "isSparkSessionManaged",
     "paramDescription": "the path where prepared info have been stored",
     "paramRequired": false
-  }
+  },{
+  "paramName": "bl",
+  "paramLongName": "blacklist",
+  "paramDescription": "institutional repositories that should not be considered for the propagation",
+  "paramRequired": false
+}
 ]
\ No newline at end of file
diff --git a/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/oozie_app/workflow.xml b/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/oozie_app/workflow.xml
index 2fe9a4256..edfff8817 100644
--- a/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/oozie_app/workflow.xml
@@ -141,6 +141,7 @@
             <arg>--hive_metastore_uris</arg><arg>${hive_metastore_uris}</arg>
             <arg>--datasourceOrganizationPath</arg><arg>${workingDir}/preparedInfo/datasourceOrganization</arg>
             <arg>--alreadyLinkedPath</arg><arg>${workingDir}/preparedInfo/alreadyLinked</arg>
+            <arg>--blacklist</arg><arg>${blacklist}</arg>
         </spark>
         <ok to="fork_join_apply_resulttoorganization_propagation"/>
         <error to="Kill"/>