diff --git a/apps/api/src/controllers/applicationController.ts b/apps/api/src/controllers/applicationController.ts
index 8662b88c2..5acd7b76c 100644
--- a/apps/api/src/controllers/applicationController.ts
+++ b/apps/api/src/controllers/applicationController.ts
@@ -28,8 +28,9 @@ import type {
 import { ApplicationStates } from '@pcgl-daco/data-model';
 import type { SectionRoutesValues, UpdateEditApplicationRequest } from '@pcgl-daco/validation';
 
-import { getEmailConfig } from '@/config/emailConfig.ts';
+import { authConfig } from '@/config/authConfig.ts';
 import { getDbInstance } from '@/db/index.js';
+import { getGroupEmails } from '@/external/pcglAuthZClient.ts';
 import BaseLogger from '@/logger.js';
 import { type ApplicationListRequest } from '@/routes/types.js';
 import { applicationActionSvc } from '@/service/applicationActionService.ts';
@@ -677,16 +678,25 @@ export const submitRevision = async ({
 		const { actionId } = submittedRevision.data;
 
 		if (result.data.state === ApplicationStates.DAC_REVISIONS_REQUESTED) {
-			const {
-				email: { dacAddress },
-			} = getEmailConfig;
-			emailService.sendEmailDacForSubmittedRevisions({
-				id: application.id,
-				to: dacAddress,
-				applicantName: applicant_first_name || 'N/A',
-				submittedDate: new Date(),
-				actionId,
-			});
+			const accessToken = request.session.account?.accessToken || '';
+			const emails = await getGroupEmails(
+				accessToken,
+				`${authConfig.AUTHZ_GROUP_PREFIX_DAC_CHAIR}:${application.dac_id}`,
+			);
+
+			if (emails.success) {
+				emails.data.forEach((email) => {
+					emailService.sendEmailDacForSubmittedRevisions({
+						id: application.id,
+						to: email,
+						applicantName: applicant_first_name || 'N/A',
+						submittedDate: new Date(),
+						actionId,
+					});
+				});
+			} else {
+				logger.error('Failed to retrieve group emails, email to dac members has not been sent', emails.error);
+			}
 		} else {
 			emailService.sendEmailRepForSubmittedRevisions({
 				id: application.id,
@@ -1057,18 +1067,25 @@ export const submitApplication = async ({
 				actionId,
 			});
 		} else if (result.data.state === ApplicationStates.INSTITUTIONAL_REP_REVIEW) {
-			const {
-				email: { dacAddress },
-			} = getEmailConfig;
-
-			// Send email to DAC for review
-			emailService.sendEmailDacForReview({
-				id: application.id,
-				to: dacAddress,
-				applicantName: applicant_first_name || 'N/A',
-				submittedDate: new Date(),
-				actionId,
-			});
+			const accessToken = request.session.account?.accessToken || '';
+			const emails = await getGroupEmails(
+				accessToken,
+				`${authConfig.AUTHZ_GROUP_PREFIX_DAC_CHAIR}:${application.dac_id}`,
+			);
+			if (emails.success) {
+				emails.data.forEach((email) => {
+					// Send email to DAC for review
+					emailService.sendEmailDacForReview({
+						id: application.id,
+						to: email,
+						applicantName: applicant_first_name || 'N/A',
+						submittedDate: new Date(),
+						actionId,
+					});
+				});
+			} else {
+				logger.error('Failed to retrieve group emails, email to dac members has not been sent', emails.error);
+			}
 
 			//  send email to applicant that application is submitted to DAC
 			emailService.sendEmailApplicantApplicationSubmitted({
diff --git a/apps/api/src/external/pcglAuthZClient.ts b/apps/api/src/external/pcglAuthZClient.ts
index b9bd529a1..142f15127 100644
--- a/apps/api/src/external/pcglAuthZClient.ts
+++ b/apps/api/src/external/pcglAuthZClient.ts
@@ -24,6 +24,7 @@ import urlJoin from 'url-join';
 import { fetchWithRetry } from './fetchWithRetry.ts';
 import {
 	addUserToStudyPermissionResponse,
+	authzGroupResponseValidation,
 	authZUserInfo,
 	ServiceTokenResponse,
 	type PCGLAddUserToStudyPermissionResponse,
@@ -219,3 +220,37 @@ export const addUsersToStudyPermission = async (
 		return failure('SYSTEM_ERROR', message);
 	}
 };
+
+/**
+ * @param accessToken
+ * @param group
+ * @returns returns a list of emails associated with the given group
+ */
+export const getGroupEmails = async (
+	accessToken: string,
+	group: string,
+): AsyncResult<string[], 'SYSTEM_ERROR' | 'FORBIDDEN' | 'NOT_FOUND'> => {
+	try {
+		const response = await fetchAuthZResource(`/group/${group}`, accessToken);
+
+		if (response.status === 204) {
+			// A "204 No content" response is returned when the user is not registered.
+			return failure('NOT_FOUND', 'Unable to retrieve user information from the PCGL AuthZ service.');
+		}
+
+		const res = await response.json();
+
+		const resultGroup = authzGroupResponseValidation.safeParse(res);
+
+		if (!resultGroup.success) {
+			const message = `AuthZ service returned unexpected when look for groups`;
+			logger.error(`[AUTHZ]: ${message}`, JSON.stringify(res));
+			return failure('SYSTEM_ERROR', message);
+		}
+
+		return success(resultGroup.data.emails);
+	} catch (error) {
+		logger.error(`[AUTHZ]: Unexpected error while getting user info from the AuthZ service.`, error);
+		return failure('SYSTEM_ERROR', `Error contacting the PCGL Authorization Service.`);
+	}
+};
diff --git a/apps/api/src/external/types.ts b/apps/api/src/external/types.ts
index acadaba2d..f6f864629 100644
--- a/apps/api/src/external/types.ts
+++ b/apps/api/src/external/types.ts
@@ -85,3 +85,9 @@ export const ServiceTokenResponse = z.object({
 	token: z.string(),
 });
 export type ServiceTokenResponse = z.infer<typeof ServiceTokenResponse>;
+
+export const authzGroupResponseValidation = z.object({
+	user_id: z.array(z.string()),
+	emails: z.array(z.string()),
+});
+export type PCGLAuthZGroupResponse = z.infer<typeof authzGroupResponseValidation>;