diff --git a/src/main/java/net/gepafin/tendermanagement/dao/ApplicationDao.java b/src/main/java/net/gepafin/tendermanagement/dao/ApplicationDao.java
index 3bf81c6f..4a83b837 100644
--- a/src/main/java/net/gepafin/tendermanagement/dao/ApplicationDao.java
+++ b/src/main/java/net/gepafin/tendermanagement/dao/ApplicationDao.java
@@ -32,6 +32,7 @@ import net.gepafin.tendermanagement.web.rest.api.errors.CustomValidationExceptio
 import net.gepafin.tendermanagement.web.rest.api.errors.ResourceNotFoundException;
 import net.gepafin.tendermanagement.web.rest.api.errors.Status;
 
+import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -114,6 +115,9 @@ public class ApplicationDao {
     @Value("${carlo_email}")
 	private String carloEmail;
 
+    @Value("${call.id}")
+    private String callId;
+
     @Autowired
     private AmazonS3Service amazonS3Service;
     
@@ -795,7 +799,7 @@ public class ApplicationDao {
 			MultipartFile file) {
 		ApplicationEntity applicationEntity = validateApplication(applicationId);
 		validator.validateUserWithCompany(request, applicationEntity.getCompany().getId());
-		validateFileType(file);
+        validateFileTypeForCall(file, applicationEntity);
 		ApplicationSignedDocumentEntity applicationSignedDocument = applicationSignedDocumentRepository
 				.findByApplicationIdAndStatus(applicationId, ApplicationSignedDocumentStatusEnum.ACTIVE.getValue());
 		if (applicationSignedDocument != null) {
@@ -815,6 +819,16 @@ public class ApplicationDao {
         applicationRepository.save(applicationEntity);
 		return convertApplicationSignedDocumentToApplicationSignedDocumentResponse(applicationSignedDocument);
 	}
+
+    private void validateFileTypeForCall(MultipartFile file, ApplicationEntity applicationEntity) {
+        List<String> validCallIds = Arrays.asList(callId.split(","));
+        if (applicationEntity != null && validCallIds.contains(applicationEntity.getCall().getId().toString())) {
+            return;
+        }
+        validateFileType(file);
+    }
+
+
     private UploadFileOnAmazonS3Response uploadFileOnAmazonS3ForUserSignedDocument(MultipartFile file, Long callId, Long applicationId) {
         try {
             String s3Path = generateS3PathForDelegation(callId, applicationId);
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 13e7addb..f19adfb0 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -23,6 +23,8 @@ spring.liquibase.enabled=true
 springdoc.api-docs.path=/v1/api-docs
 springdoc.swagger-ui.tagsSorter=alpha
 
+#signed_document_callIds for more file type upload feature.
+call.id=10
 
 #aws configuration
 aws.access.key.id=AKIAVWDQWCUEOSUN4LUW