diff --git a/hsarback/database/database_update.sql b/hsarback/database/database_update.sql
index 8935755..2a8bc78 100644
--- a/hsarback/database/database_update.sql
+++ b/hsarback/database/database_update.sql
@@ -56,3 +56,33 @@ ALTER TABLE business_partner DROP CONSTRAINT ckc_shares_signed_business;
 ALTER TABLE business_partner DROP COLUMN shares_updated ;
 
 ALTER TABLE business_partner DROP COLUMN shares_signed ;
+
+CREATE TABLE pac_administration (
+    pac_administration_id integer NOT NULL,
+    contact_id integer NOT NULL,
+    pac_id integer NOT NULL
+);
+
+CREATE SEQUENCE pac_administration_pac_administration_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER SEQUENCE pac_administration_pac_administration_id_seq OWNED BY pac_administration.pac_administration_id;
+
+ALTER TABLE ONLY pac_administration 
+	ALTER COLUMN pac_administration_id SET DEFAULT nextval('pac_administration_pac_administration_id_seq'::regclass);
+	
+ALTER TABLE ONLY pac_administration
+    ADD CONSTRAINT pk_pac_administration PRIMARY KEY (pac_administration_id);
+
+ALTER TABLE ONLY pac_administration
+    ADD CONSTRAINT pac_administration_contact_ref FOREIGN KEY (contact_id) REFERENCES contact(contact_id);
+
+ALTER TABLE ONLY pac_administration
+    ADD CONSTRAINT pac_administration_pac_ref FOREIGN KEY (pac_id) REFERENCES packet(packet_id);
+
+ALTER TABLE ONLY contact
+	ADD COLUMN login character varying(40);
diff --git a/hsarback/database/dropschema.sql b/hsarback/database/dropschema.sql
index cb73476..952fae5 100644
--- a/hsarback/database/dropschema.sql
+++ b/hsarback/database/dropschema.sql
@@ -23,6 +23,7 @@ DROP TABLE queue_task ;
 DROP SEQUENCE queue_task_id_seq ;
 DROP TABLE unixuser CASCADE ;
 DROP SEQUENCE unixuser_unixuser_id_seq ;
+DROP TABLE pac_administration CASCADE ; 
 DROP TABLE packet_component ;
 DROP TABLE component ;
 DROP TABLE basecomponent ;
@@ -41,3 +42,4 @@ DROP SEQUENCE packet_component_id_seq ;
 DROP SEQUENCE component_id_seq ;
 DROP TABLE contactrole_ref CASCADE ;
 DROP TABLE role CASCADE ;
+