diff --git a/library/src/main/java/org/mustangproject/DirectDebit.java b/library/src/main/java/org/mustangproject/DirectDebit.java
index 1eee28b8..59da5b42 100644
--- a/library/src/main/java/org/mustangproject/DirectDebit.java
+++ b/library/src/main/java/org/mustangproject/DirectDebit.java
@@ -46,8 +46,18 @@ public class DirectDebit implements IZUGFeRDTradeSettlementDebit {
 		return this.IBAN;
 	}
 
+	public DirectDebit setIBAN(String iBAN) {
+		this.IBAN = iBAN;
+		return this;
+	}
+
 	@Override
 	public String getMandate() {
 		return this.mandate;
 	}
+
+	public DirectDebit setMandate(String mandate) {
+		this.mandate = mandate;
+		return this;
+	}
 }
diff --git a/library/src/main/java/org/mustangproject/FileAttachment.java b/library/src/main/java/org/mustangproject/FileAttachment.java
index a7446a54..ed1fe39f 100644
--- a/library/src/main/java/org/mustangproject/FileAttachment.java
+++ b/library/src/main/java/org/mustangproject/FileAttachment.java
@@ -26,7 +26,7 @@ public class FileAttachment {
 		this.mimetype = mimetype;
 		this.relation = relation;
 		this.data = data;
-		description = "Additional file attachment";
+		this.description = "Additional file attachment";
 	}
 
 	public String getDescription() {
@@ -73,8 +73,4 @@ public class FileAttachment {
 		this.data = data;
 		return this;
 	}
-
-
-
-
 }
diff --git a/library/src/main/java/org/mustangproject/IncludedNote.java b/library/src/main/java/org/mustangproject/IncludedNote.java
index 111b4e72..db34e793 100644
--- a/library/src/main/java/org/mustangproject/IncludedNote.java
+++ b/library/src/main/java/org/mustangproject/IncludedNote.java
@@ -72,10 +72,15 @@ public class IncludedNote {
     return content;
   }
 
+  public IncludedNote setContent(String content) {
+    this.content = content;
+    return this;
+}
+
   public SubjectCode getSubjectCode() {
     return subjectCode;
   }
-  
+
 
 	public IncludedNote setSubjectCode(SubjectCode subjectCode) {
 		this.subjectCode = subjectCode;