diff --git a/src/scripts/createIndex.js b/src/scripts/createIndex.js
index 33114fb..c4601ee 100644
--- a/src/scripts/createIndex.js
+++ b/src/scripts/createIndex.js
@@ -68,6 +68,7 @@ async function createIndex () {
             memberRate: { type: 'float' },
             customerRate: { type: 'float' },
             rateType: { type: 'keyword' },
+            billingAccountId: { type: 'integer' },
             createdAt: { type: 'date' },
             createdBy: { type: 'keyword' },
             updatedAt: { type: 'date' },
@@ -98,6 +99,7 @@ async function createIndex () {
                 challengeId: { type: 'keyword' },
                 amount: { type: 'float' },
                 status: { type: 'keyword' },
+                billingAccountId: { type: 'integer' },
                 createdAt: { type: 'date' },
                 createdBy: { type: 'keyword' },
                 updatedAt: { type: 'date' },
diff --git a/src/services/ResourceBookingProcessorService.js b/src/services/ResourceBookingProcessorService.js
index f507bde..f407b2b 100644
--- a/src/services/ResourceBookingProcessorService.js
+++ b/src/services/ResourceBookingProcessorService.js
@@ -46,7 +46,8 @@ processCreate.schema = {
       createdBy: Joi.string().uuid().required(),
       updatedAt: Joi.date().allow(null),
       updatedBy: Joi.string().uuid().allow(null),
-      status: Joi.resourceBookingStatus().required()
+      status: Joi.resourceBookingStatus().required(),
+      billingAccountId: Joi.number().allow(null)
     }).required()
   }).required(),
   transactionId: Joi.string().required()
diff --git a/src/services/WorkPeriodPaymentProcessorService.js b/src/services/WorkPeriodPaymentProcessorService.js
index 1f6cc54..d336379 100644
--- a/src/services/WorkPeriodPaymentProcessorService.js
+++ b/src/services/WorkPeriodPaymentProcessorService.js
@@ -48,6 +48,7 @@ processCreate.schema = {
       challengeId: Joi.string().uuid().required(),
       amount: Joi.number().greater(0).allow(null),
       status: Joi.workPeriodPaymentStatus().required(),
+      billingAccountId: Joi.number().allow(null),
       createdAt: Joi.date().required(),
       createdBy: Joi.string().uuid().required(),
       updatedAt: Joi.date().allow(null),
diff --git a/test/messages/taas.resourcebooking.create.event.json b/test/messages/taas.resourcebooking.create.event.json
index 31d6217..2f3de0a 100644
--- a/test/messages/taas.resourcebooking.create.event.json
+++ b/test/messages/taas.resourcebooking.create.event.json
@@ -15,6 +15,7 @@
         "id": "60d97713-8621-476e-b006-7cb9589c7777",
         "createdAt": "2020-11-05T19:00:23.036Z",
         "createdBy": "a55fe1bc-1754-45fa-9adc-cf3d6d7c377a",
-        "status": "assigned"
+        "status": "assigned",
+        "billingAccountId": 80000071
     }
-}
\ No newline at end of file
+}
diff --git a/test/messages/taas.resourcebooking.update.event.json b/test/messages/taas.resourcebooking.update.event.json
index e45fc86..2b96229 100644
--- a/test/messages/taas.resourcebooking.update.event.json
+++ b/test/messages/taas.resourcebooking.update.event.json
@@ -14,9 +14,10 @@
         "customerRate": 13,
         "rateType": "hourly",
         "status": "assigned",
+        "billingAccountId": 80000071,
         "updatedAt": "2020-11-05T19:00:25.062Z",
         "updatedBy": "a55fe1bc-1754-45fa-9adc-cf3d6d7c377a",
         "createdAt": "2020-11-05T19:00:16.268Z",
         "createdBy": "a55fe1bc-1754-45fa-9adc-cf3d6d7c377a"
     }
-}
\ No newline at end of file
+}
diff --git a/test/messages/taas.workperiod.create.event.json b/test/messages/taas.workperiod.create.event.json
index 7afea61..3c2d286 100644
--- a/test/messages/taas.workperiod.create.event.json
+++ b/test/messages/taas.workperiod.create.event.json
@@ -14,9 +14,10 @@
         "projectId": 111,
         "userHandle": "pshah_manager",
         "id": "926040c4-1709-4de2-b2b6-52adf6e5e72d",
+        "billingAccountId": 80000071
         "createdBy": "00000000-0000-0000-0000-000000000000",
         "updatedAt": "2021-03-30T20:24:17.541Z",
         "createdAt": "2021-03-30T20:24:17.541Z",
         "updatedBy": null
     }
-}
\ No newline at end of file
+}