diff --git a/library/src/main/java/org/mustangproject/Item.java b/library/src/main/java/org/mustangproject/Item.java
index 321b4723..0e218223 100644
--- a/library/src/main/java/org/mustangproject/Item.java
+++ b/library/src/main/java/org/mustangproject/Item.java
@@ -237,7 +237,7 @@ public class Item implements IZUGFeRDExportableItem {
 							}
 						}
 
-						if (tradeSettlementName.equals("SpecifiedTradeSettlementLineMonetarySummation")) {
+						if (tradeSettlementName.equals("SpecifiedTradeSettlementLineMonetarySummation") || tradeSettlementName.equals("SpecifiedTradeSettlementMonetarySummation")) {
 							NodeList totalChilds = tradeSettlementChilds.item(tradeSettlementChildIndex)
 								.getChildNodes();
 							for (int totalChildIndex = 0; totalChildIndex < totalChilds
@@ -255,7 +255,7 @@ public class Item implements IZUGFeRDExportableItem {
 		BigDecimal prc = new BigDecimal(price.trim());
 		BigDecimal qty = new BigDecimal(quantity.trim());
 		if ((recalcPrice) && (!qty.equals(BigDecimal.ZERO))) {
-			prc = new BigDecimal(lineTotal.trim()).divide(qty, 4, RoundingMode.HALF_UP);
+			prc = new BigDecimal(lineTotal.trim()).divide(qty, 18, RoundingMode.HALF_UP);
 		}
 		Product p = new Product(name, description, unitCode,
 			vatPercent == null ? null : new BigDecimal(vatPercent.trim()));
diff --git a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDImporter.java b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDImporter.java
index 2a1ba512..184aefce 100644
--- a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDImporter.java
+++ b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDImporter.java
@@ -77,13 +77,6 @@ public class ZUGFeRDImporter extends ZUGFeRDInvoiceImporter {
 	}
 
 
-	/***
-	 * have the item prices be determined from the line total.
-	 * That's a workaround for some invoices which just put 0 as item price
-	 */
-	public void doRecalculateItemPricesFromLineTotals() {
-		recalcPrice = true;
-	}
 
 	/***
 	 * do not raise ParseExceptions even if the reproduced invoice total does not match the given value
diff --git a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java
index cfd580f1..344184c4 100644
--- a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java
+++ b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java
@@ -78,6 +78,14 @@ public class ZUGFeRDInvoiceImporter {
 	}
 
 	public ZUGFeRDInvoiceImporter(String pdfFilename) {
+		setPDFFilename(pdfFilename);
+	}
+
+	public ZUGFeRDInvoiceImporter(InputStream pdfStream) {
+		setInputStream(pdfStream);
+	}
+
+	public void setPDFFilename(String pdfFilename){
 		try (InputStream bis = Files.newInputStream(Paths.get(pdfFilename), StandardOpenOption.READ)) {
 			extractLowLevel(bis);
 		} catch (final IOException e) {
@@ -86,8 +94,7 @@ public class ZUGFeRDInvoiceImporter {
 		}
 	}
 
-
-	public ZUGFeRDInvoiceImporter(InputStream pdfStream) {
+	public void setInputStream(InputStream pdfStream) {
 		try {
 			extractLowLevel(pdfStream);
 		} catch (final IOException e) {
@@ -167,6 +174,20 @@ public class ZUGFeRDInvoiceImporter {
 	}
 
 
+	/***
+	 * have the item prices be determined from the line total.
+	 * That's a workaround for some invoices which just put 0 as item price
+	 */
+	public void doRecalculateItemPricesFromLineTotals() {
+		recalcPrice = true;
+	}
+
+
+	/***
+	 * sets th pdf attachments, and if a file is recognized (e.g. a factur-x.xml) triggers processing
+	 * @param names the Hashmap of String, PDComplexFileSpecification
+	 * @throws IOException
+	 */
 	private void extractFiles(Map<String, PDComplexFileSpecification> names) throws IOException {
 		for (final String alias : names.keySet()) {
 
@@ -209,8 +230,7 @@ public class ZUGFeRDInvoiceImporter {
 		this.containsMeta = true;
 		this.rawXML = rawXML;
 		this.version = null;
-
-			parseAutomatically = doParse;
+		parseAutomatically = doParse;
 
 		try {
 			setDocument();
@@ -235,7 +255,7 @@ public class ZUGFeRDInvoiceImporter {
 		xmlFact.setNamespaceAware(true);
 		final DocumentBuilder builder = xmlFact.newDocumentBuilder();
 		final ByteArrayInputStream is = new ByteArrayInputStream(rawXML);
-		///	is.skip(guessBOMSize(is));
+		///    is.skip(guessBOMSize(is));
 		document = builder.parse(is);
 		if (parseAutomatically) {
 			try {
@@ -488,9 +508,9 @@ public class ZUGFeRDInvoiceImporter {
 			}
 		}
 
-		if ((deliveryPeriodStart!=null)&&(deliveryPeriodEnd!=null)) {
+		if ((deliveryPeriodStart != null) && (deliveryPeriodEnd != null)) {
 			zpp.setDetailedDeliveryPeriod(XMLTools.tryDate(deliveryPeriodStart), XMLTools.tryDate(deliveryPeriodEnd));
-		} else if (deliveryPeriodStart!=null) {
+		} else if (deliveryPeriodStart != null) {
 			zpp.setDeliveryDate(XMLTools.tryDate(deliveryPeriodStart));
 		}
 
diff --git a/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java b/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java
index 3a767c97..5cec1518 100644
--- a/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java
+++ b/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java
@@ -214,8 +214,9 @@ public class MustangReaderWriterTest extends MustangReaderTestCase {
 
 	public void testForeignImport() {
 		InputStream inputStream = this.getClass().getResourceAsStream("/zugferd_invoice.pdf");
-		ZUGFeRDImporter zi = new ZUGFeRDImporter(inputStream);
-
+		ZUGFeRDImporter zi = new ZUGFeRDImporter();
+		zi.doRecalculateItemPricesFromLineTotals();
+		zi.setInputStream(inputStream);
 		// Reading ZUGFeRD
 		String amount = zi.getAmount();