diff --git a/src/forms/intake-a.json b/src/forms/intake-a.json
index 7ea10f1..dd3d63e 100644
--- a/src/forms/intake-a.json
+++ b/src/forms/intake-a.json
@@ -736,6 +736,11 @@
 									"type": "js_expression",
 									"failsWhenExpression": "myValue > enrollment_date",
 									"message": "HIV confirmation date should be earlier than enrollment date"
+								},
+								{
+									"type": "js_expression",
+									"failsWhenExpression": "myValue < new Date(patient.birthDate)",
+									"message": "HIV confirmation date should not be earlier than Birth date"
 								}
 							],
 							"id": "date_confirmed"