Modify access rules
diff --git a/groups b/groups
index 9d8f84a..79be6ba 100644
--- a/groups
+++ b/groups
@@ -1,7 +1,8 @@
-# UUID                         	Group Name
+# UUID                                  	Group Name
 #
-cria:project-dawn-admins       	cria/project-dawn-admins
-cria:project-dawn-committers   	cria/project-dawn-committers
-cria:project-dawn-tryjob-access	cria/project-dawn-tryjob-access
-cria:service-account-cq        	cria/service-account-cq
-global:Change-Owner            	Change Owner
+21b8b413a824fc9d475f4cbf4ce44ba6a4f02cf8	chromium-branch-creators
+cria:project-dawn-admins                	cria/project-dawn-admins
+cria:project-dawn-committers            	cria/project-dawn-committers
+cria:project-dawn-tryjob-access         	cria/project-dawn-tryjob-access
+cria:service-account-cq                 	cria/service-account-cq
+global:Change-Owner                     	Change Owner
diff --git a/project.config b/project.config
index 551aeae..a28d7d8 100644
--- a/project.config
+++ b/project.config
@@ -31,6 +31,7 @@
 	label-Auto-Submit = +0..+1 group Change Owner
 	submit = group cria/service-account-cq
 	push = +force group cria/project-dawn-admins
+	create = group chromium-branch-creators
 
 [label "Code-Review"]
 	function = MaxWithBlock
@@ -69,3 +70,6 @@
 [access "refs/heads/cassia"]
 	push = +force group cria/project-dawn-committers
 	pushMerge = group cria/project-dawn-committers
+[access "refs/tags/*"]
+	create = group chromium-branch-creators
+	push = group chromium-branch-creators