From cd1f2181e2b0d23b4e8ec4e95093bc83eac4cb2d Mon Sep 17 00:00:00 2001
From: Nishanth Pavinkurve <npp267@nyu.edu>
Date: Wed, 11 Dec 2024 16:33:50 -0500
Subject: [PATCH] [DC-3852] Remove yob requirement

---
 data_steward/resource_files/schemas/cdm/clinical/person.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data_steward/resource_files/schemas/cdm/clinical/person.json b/data_steward/resource_files/schemas/cdm/clinical/person.json
index b011337935..09fe0c2673 100644
--- a/data_steward/resource_files/schemas/cdm/clinical/person.json
+++ b/data_steward/resource_files/schemas/cdm/clinical/person.json
@@ -14,7 +14,7 @@
   {
     "type": "integer",
     "name": "year_of_birth",
-    "mode": "required",
+    "mode": "nullable",
     "description": "The year of birth of the person. For data sources with date of birth, the year is extracted. For data sources where the year of birth is not available, the approximate year of birth is derived based on any age group categorization available."
   },
   {