diff --git a/base/src/org/compiere/model/MAllocationHdr.java b/base/src/org/compiere/model/MAllocationHdr.java
index af9e51719d..2ada5f76a7 100644
--- a/base/src/org/compiere/model/MAllocationHdr.java
+++ b/base/src/org/compiere/model/MAllocationHdr.java
@@ -199,8 +199,12 @@ public final class MAllocationHdr extends X_C_AllocationHdr implements DocAction
 	 */
 	public MAllocationLine[] getLines (boolean requery)
 	{
-		if (m_lines != null && m_lines.length != 0 && !requery)
-			return m_lines;
+		if (m_lines != null && m_lines.length != 0 && !requery) {
+			if (m_lines != null && m_lines.length != 0 && !requery) {
+				set_TrxName(m_lines, get_TrxName());
+				return m_lines;
+			}
+		}
 		//
 		String sql = "SELECT * FROM C_AllocationLine WHERE C_AllocationHdr_ID=?";
 		ArrayList<MAllocationLine> list = new ArrayList<MAllocationLine>();
diff --git a/base/src/org/compiere/model/MBankStatement.java b/base/src/org/compiere/model/MBankStatement.java
index e36629a51b..0e85e8aea9 100644
--- a/base/src/org/compiere/model/MBankStatement.java
+++ b/base/src/org/compiere/model/MBankStatement.java
@@ -103,8 +103,10 @@ public class MBankStatement extends X_C_BankStatement implements DocAction
  	 */
  	public MBankStatementLine[] getLines (boolean requery)
  	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		//
  		ArrayList<MBankStatementLine> list = new ArrayList<MBankStatementLine>();
  		String sql = "SELECT * FROM C_BankStatementLine "
diff --git a/base/src/org/compiere/model/MCash.java b/base/src/org/compiere/model/MCash.java
index 4f4b7fbe03..d3297014d8 100644
--- a/base/src/org/compiere/model/MCash.java
+++ b/base/src/org/compiere/model/MCash.java
@@ -239,8 +239,10 @@ public class MCash extends X_C_Cash implements DocAction
 	 */
 	public MCashLine[] getLines (boolean requery)
 	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		ArrayList<MCashLine> list = new ArrayList<MCashLine>();
 		String sql = "SELECT * FROM C_CashLine WHERE C_Cash_ID=? ORDER BY Line";
 		PreparedStatement pstmt = null;
diff --git a/base/src/org/compiere/model/MDiscountSchema.java b/base/src/org/compiere/model/MDiscountSchema.java
index 8ccb7e3f25..4d3b999f56 100644
--- a/base/src/org/compiere/model/MDiscountSchema.java
+++ b/base/src/org/compiere/model/MDiscountSchema.java
@@ -140,8 +140,10 @@ public class MDiscountSchema extends X_M_DiscountSchema
 	 */
 	public MDiscountSchemaLine[] getLines(boolean reload)
 	{
-		if (m_lines != null && !reload)
+		if (m_lines != null && !reload) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		
 		String sql = "SELECT * FROM M_DiscountSchemaLine WHERE M_DiscountSchema_ID=? ORDER BY SeqNo";
 		ArrayList<MDiscountSchemaLine> list = new ArrayList<MDiscountSchemaLine>();
diff --git a/base/src/org/compiere/model/MDistribution.java b/base/src/org/compiere/model/MDistribution.java
index 3f1b396b4b..95ddac3af5 100644
--- a/base/src/org/compiere/model/MDistribution.java
+++ b/base/src/org/compiere/model/MDistribution.java
@@ -243,8 +243,10 @@ public class MDistribution extends X_GL_Distribution
 	 */
 	public MDistributionLine[] getLines (boolean reload)
 	{
-		if (m_lines != null && !reload)
+		if (m_lines != null && !reload) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		
 		BigDecimal PercentTotal = Env.ZERO;
 		ArrayList<MDistributionLine> list = new ArrayList<MDistributionLine>();
diff --git a/base/src/org/compiere/model/MDistributionRun.java b/base/src/org/compiere/model/MDistributionRun.java
index 8c45ca935d..350a5ef3a4 100644
--- a/base/src/org/compiere/model/MDistributionRun.java
+++ b/base/src/org/compiere/model/MDistributionRun.java
@@ -62,8 +62,10 @@ public class MDistributionRun extends X_M_DistributionRun
 	 */
 	public MDistributionRunLine[] getLines (boolean reload)
 	{
-		if (!reload && m_lines != null)
+		if (!reload && m_lines != null) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		//
 		String sql = "SELECT * FROM M_DistributionRunLine "
 			+ "WHERE M_DistributionRun_ID=? AND IsActive='Y' AND TotalQty IS NOT NULL AND TotalQty<> 0 ORDER BY Line";
diff --git a/base/src/org/compiere/model/MInOut.java b/base/src/org/compiere/model/MInOut.java
index 7344ae891c..f454505b2c 100644
--- a/base/src/org/compiere/model/MInOut.java
+++ b/base/src/org/compiere/model/MInOut.java
@@ -540,8 +540,10 @@ public class MInOut extends X_M_InOut implements DocAction
 	 */
 	public MInOutLine[] getLines (boolean requery)
 	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		ArrayList<MInOutLine> list = new ArrayList<MInOutLine>();
 		String sql = "SELECT * FROM M_InOutLine WHERE M_InOut_ID=? ORDER BY Line";
 		PreparedStatement pstmt = null;
diff --git a/base/src/org/compiere/model/MInOutConfirm.java b/base/src/org/compiere/model/MInOutConfirm.java
index 717892267e..fa295e080c 100644
--- a/base/src/org/compiere/model/MInOutConfirm.java
+++ b/base/src/org/compiere/model/MInOutConfirm.java
@@ -131,8 +131,10 @@ public class MInOutConfirm extends X_M_InOutConfirm implements DocAction
 	 */
 	public MInOutLineConfirm[] getLines (boolean requery)
 	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		String sql = "SELECT * FROM M_InOutLineConfirm "
 			+ "WHERE M_InOutConfirm_ID=?";
 		ArrayList<MInOutLineConfirm> list = new ArrayList<MInOutLineConfirm>();
diff --git a/base/src/org/compiere/model/MInventory.java b/base/src/org/compiere/model/MInventory.java
index 5601fcdd4b..2c1c443ea3 100644
--- a/base/src/org/compiere/model/MInventory.java
+++ b/base/src/org/compiere/model/MInventory.java
@@ -110,8 +110,10 @@ public class MInventory extends X_M_Inventory implements DocAction
 	 */
 	public MInventoryLine[] getLines (boolean requery)
 	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		//
 		ArrayList<MInventoryLine> list = new ArrayList<MInventoryLine>();
 		String sql = "SELECT * FROM M_InventoryLine WHERE M_Inventory_ID=? ORDER BY Line";
diff --git a/base/src/org/compiere/model/MInvoice.java b/base/src/org/compiere/model/MInvoice.java
index 007336a45a..12ff71a6ac 100644
--- a/base/src/org/compiere/model/MInvoice.java
+++ b/base/src/org/compiere/model/MInvoice.java
@@ -639,6 +639,7 @@ public class MInvoice extends X_C_Invoice implements DocAction
 	{
 		if (m_lines == null || m_lines.length == 0 || requery)
 			m_lines = getLines(null);
+		set_TrxName(m_lines, get_TrxName());
 		return m_lines;
 	}	//	getLines
 
diff --git a/base/src/org/compiere/model/MInvoiceBatch.java b/base/src/org/compiere/model/MInvoiceBatch.java
index d0dabbb180..5d628bbd4f 100644
--- a/base/src/org/compiere/model/MInvoiceBatch.java
+++ b/base/src/org/compiere/model/MInvoiceBatch.java
@@ -75,8 +75,10 @@ public class MInvoiceBatch extends X_C_InvoiceBatch
 	 */
 	public MInvoiceBatchLine[] getLines (boolean reload)
 	{
-		if (m_lines != null && !reload)
+		if (m_lines != null && !reload) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		String sql = "SELECT * FROM C_InvoiceBatchLine WHERE C_InvoiceBatch_ID=? ORDER BY Line";
 		ArrayList<MInvoiceBatchLine> list = new ArrayList<MInvoiceBatchLine>();
 		PreparedStatement pstmt = null;
diff --git a/base/src/org/compiere/model/MMovement.java b/base/src/org/compiere/model/MMovement.java
index 274ccf1688..0e431eed41 100644
--- a/base/src/org/compiere/model/MMovement.java
+++ b/base/src/org/compiere/model/MMovement.java
@@ -77,8 +77,10 @@ public class MMovement extends X_M_Movement implements DocAction
 	 */
 	public MMovementLine[] getLines (boolean requery)
 	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		//
 		ArrayList<MMovementLine> list = new ArrayList<MMovementLine>();
 		String sql = "SELECT * FROM M_MovementLine WHERE M_Movement_ID=? ORDER BY Line";
diff --git a/base/src/org/compiere/model/MMovementConfirm.java b/base/src/org/compiere/model/MMovementConfirm.java
index 1c5d1d60ac..d4b3e8b61b 100644
--- a/base/src/org/compiere/model/MMovementConfirm.java
+++ b/base/src/org/compiere/model/MMovementConfirm.java
@@ -122,8 +122,10 @@ public class MMovementConfirm extends X_M_MovementConfirm implements DocAction
 	 */
 	public MMovementLineConfirm[] getLines (boolean requery)
 	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		String sql = "SELECT * FROM M_MovementLineConfirm "
 			+ "WHERE M_MovementConfirm_ID=?";
 		ArrayList<MMovementLineConfirm> list = new ArrayList<MMovementLineConfirm>();
diff --git a/base/src/org/compiere/model/MOrder.java b/base/src/org/compiere/model/MOrder.java
index 1f778c38e0..347b5f4c1c 100644
--- a/base/src/org/compiere/model/MOrder.java
+++ b/base/src/org/compiere/model/MOrder.java
@@ -645,8 +645,10 @@ public class MOrder extends X_C_Order implements DocAction
 	 */
 	public MOrderLine[] getLines (boolean requery, String orderBy)
 	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		//
 		String orderClause = "ORDER BY ";
 		if (orderBy != null && orderBy.length() > 0)
diff --git a/base/src/org/compiere/model/MPaySelection.java b/base/src/org/compiere/model/MPaySelection.java
index 1745f4b015..83de94ae08 100644
--- a/base/src/org/compiere/model/MPaySelection.java
+++ b/base/src/org/compiere/model/MPaySelection.java
@@ -73,8 +73,10 @@ public class MPaySelection extends X_C_PaySelection
 	 */
 	public MPaySelectionLine[] getLines(boolean requery)
 	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		ArrayList<MPaySelectionLine> list = new ArrayList<MPaySelectionLine>();
 		String sql = "SELECT * FROM C_PaySelectionLine WHERE C_PaySelection_ID=? ORDER BY Line";
 		PreparedStatement pstmt = null;
diff --git a/base/src/org/compiere/model/MRMA.java b/base/src/org/compiere/model/MRMA.java
index f2496ca439..f9ea3e4326 100644
--- a/base/src/org/compiere/model/MRMA.java
+++ b/base/src/org/compiere/model/MRMA.java
@@ -79,8 +79,10 @@ public class MRMA extends X_M_RMA implements DocAction
 	 */
 	public MRMALine[] getLines (boolean requery)
 	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		ArrayList<MRMALine> list = new ArrayList<MRMALine>();
 
 		String sql = "SELECT * FROM M_RMALine WHERE M_RMA_ID=?";
diff --git a/base/src/org/compiere/model/MRequisition.java b/base/src/org/compiere/model/MRequisition.java
index 27b1cd6927..5d55f548ed 100644
--- a/base/src/org/compiere/model/MRequisition.java
+++ b/base/src/org/compiere/model/MRequisition.java
@@ -77,8 +77,10 @@ public class MRequisition extends X_M_Requisition implements DocAction
 	 */
 	public MRequisitionLine[] getLines()
 	{
-		if (m_lines != null)
+		if (m_lines != null) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		
 		ArrayList<MRequisitionLine> list = new ArrayList<MRequisitionLine>();
 		String sql = "SELECT * FROM M_RequisitionLine WHERE M_Requisition_ID=? ORDER BY Line";
diff --git a/base/src/org/compiere/model/MRfQResponse.java b/base/src/org/compiere/model/MRfQResponse.java
index 82a7b6f297..6a29fb56cc 100644
--- a/base/src/org/compiere/model/MRfQResponse.java
+++ b/base/src/org/compiere/model/MRfQResponse.java
@@ -147,8 +147,10 @@ public class MRfQResponse extends X_C_RfQResponse
 	 */
 	public MRfQResponseLine[] getLines(boolean requery)
 	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		ArrayList<MRfQResponseLine> list = new ArrayList<MRfQResponseLine>();
 		String sql = "SELECT * FROM C_RfQResponseLine "
 			+ "WHERE C_RfQResponse_ID=? AND IsActive='Y'";
diff --git a/base/src/org/compiere/model/MTimeExpense.java b/base/src/org/compiere/model/MTimeExpense.java
index 8bde3416a4..abf0b0cf85 100644
--- a/base/src/org/compiere/model/MTimeExpense.java
+++ b/base/src/org/compiere/model/MTimeExpense.java
@@ -89,8 +89,10 @@ public class MTimeExpense extends X_S_TimeExpense implements DocAction
 	 */
 	public MTimeExpenseLine[] getLines (boolean requery)
 	{
-		if (m_lines != null && !requery)
+		if (m_lines != null && !requery) {
+			set_TrxName(m_lines, get_TrxName());
 			return m_lines;
+		}
 		//
 		int C_Currency_ID = getC_Currency_ID();
 		ArrayList<MTimeExpenseLine> list = new ArrayList<MTimeExpenseLine>();
diff --git a/base/src/org/compiere/model/PO.java b/base/src/org/compiere/model/PO.java
index 1b7c536a0e..cd0b311b39 100644
--- a/base/src/org/compiere/model/PO.java
+++ b/base/src/org/compiere/model/PO.java
@@ -3586,6 +3586,15 @@ public abstract class PO
 	 */
 	public Doc getDoc() {
 		return m_doc;
-	}	
+	}
+	
+	/**
+	 *  PO.setTrxName - set given trxName to an array of POs
+	 *  As suggested by teo in [ 1854603 ]
+	 */
+	public static void set_TrxName(PO[] lines, String trxName) {
+		for (PO line : lines)
+			line.set_TrxName(trxName);
+	}
 	
 }   //  PO