From b3d0f115a30568e180560619e1f931d3606fca87 Mon Sep 17 00:00:00 2001
From: David Nisenbaum <dnisenbaum1@gmail.com>
Date: Thu, 11 Jun 2026 14:05:31 -0400
Subject: [PATCH] default to None for service date

---
 quickbooks/objects/detailline.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/quickbooks/objects/detailline.py b/quickbooks/objects/detailline.py
index cf4ef575..59f245df 100644
--- a/quickbooks/objects/detailline.py
+++ b/quickbooks/objects/detailline.py
@@ -95,7 +95,7 @@ class DescriptionLineDetail(QuickbooksBaseObject):
 
     def __init__(self):
         super(DescriptionLineDetail, self).__init__()
-        self.ServiceDate = ""
+        self.ServiceDate = None
         self.TaxCodeRef = None
 
 
@@ -113,7 +113,7 @@ def __init__(self):
         super(SalesItemLineDetail, self).__init__()
         self.UnitPrice = 0
         self.Qty = 0
-        self.ServiceDate = ""
+        self.ServiceDate = None
         self.TaxInclusiveAmt = 0
 
         self.MarkupInfo = None