diff --git a/installer/data/mysql/atomicupdate/erm.pl b/installer/data/mysql/atomicupdate/erm.pl
index b164cb3b7d..0682cf84de 100755
--- a/installer/data/mysql/atomicupdate/erm.pl
+++ b/installer/data/mysql/atomicupdate/erm.pl
@@ -183,5 +183,87 @@ return {
                 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
             });
         }
-    },
+
+        unless ( TableExists('erm_packages') ) {
+            $dbh->do(q{
+                CREATE TABLE `erm_packages` (
+                    `package_id` INT(11) NOT NULL AUTO_INCREMENT COMMENT 'primary key',
+                    `vendor_id` INT(11) DEFAULT NULL COMMENT 'foreign key to aqbooksellers',
+                    `name` VARCHAR(255) NOT NULL COMMENT 'name of the package',
+                    `external_package_id` VARCHAR(255) DEFAULT NULL COMMENT 'External key',
+                    `package_type` VARCHAR(80) DEFAULT NULL COMMENT 'type of the package',
+                    `content_type` VARCHAR(80) DEFAULT NULL COMMENT 'type of the package',
+                    `created_on` timestamp NOT NULL DEFAULT current_timestamp() COMMENT 'date of creation of the package',
+                    CONSTRAINT `erm_packages_ibfk_1` FOREIGN KEY (`vendor_id`) REFERENCES `aqbooksellers` (`id`) ON DELETE SET NULL ON UPDATE CASCADE,
+                    PRIMARY KEY(`package_id`)
+                ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+            });
+        }
+
+        unless ( TableExists('erm_packages_agreements') ) {
+            $dbh->do(q{
+                CREATE TABLE `erm_packages_agreements` (
+                    `package_id` INT(11) NOT NULL COMMENT 'link to the package',
+                    `agreement_id` INT(11) NOT NULL COMMENT 'link to the agreement',
+                    CONSTRAINT `erm_packages_agreements_ibfk_1` FOREIGN KEY (`package_id`) REFERENCES `erm_packages` (`package_id`) ON DELETE CASCADE ON UPDATE CASCADE,
+                    CONSTRAINT `erm_packages_agreements_ibfk_2` FOREIGN KEY (`agreement_id`) REFERENCES `erm_agreements` (`agreement_id`) ON DELETE CASCADE ON UPDATE CASCADE
+                ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+            });
+        }
+
+        unless ( TableExists('erm_eholdings') ) {
+            $dbh->do(q{
+                CREATE TABLE `erm_eholdings` (
+                    `eholding_id` INT(11) NOT NULL AUTO_INCREMENT COMMENT 'primary key',
+                    `publication_title` VARCHAR(255) DEFAULT NULL,
+                    `print_identifier` VARCHAR(255) DEFAULT NULL,
+                    `online_identifier` VARCHAR(255) DEFAULT NULL,
+                    `date_first_issue_online` VARCHAR(255) DEFAULT NULL,
+                    `num_first_vol_online` VARCHAR(255) DEFAULT NULL,
+                    `num_first_issue_online` VARCHAR(255) DEFAULT NULL,
+                    `date_last_issue_online` VARCHAR(255) DEFAULT NULL,
+                    `num_last_vol_online` VARCHAR(255) DEFAULT NULL,
+                    `num_last_issue_online` VARCHAR(255) DEFAULT NULL,
+                    `title_url` VARCHAR(255) DEFAULT NULL,
+                    `first_author` VARCHAR(255) DEFAULT NULL,
+                    `title_id` VARCHAR(255) DEFAULT NULL,
+                    `embargo_info` VARCHAR(255) DEFAULT NULL,
+                    `coverage_depth` VARCHAR(255) DEFAULT NULL,
+                    `notes` VARCHAR(255) DEFAULT NULL,
+                    `publisher_name` VARCHAR(255) DEFAULT NULL,
+                    `publication_type` VARCHAR(255) DEFAULT NULL,
+                    `date_monograph_published_print` VARCHAR(255) DEFAULT NULL,
+                    `date_monograph_published_online` VARCHAR(255) DEFAULT NULL,
+                    `monograph_volume` VARCHAR(255) DEFAULT NULL,
+                    `monograph_edition` VARCHAR(255) DEFAULT NULL,
+                    `first_editor` VARCHAR(255) DEFAULT NULL,
+                    `parent_publication_title_id` VARCHAR(255) DEFAULT NULL,
+                    `preceeding_publication_title_id` VARCHAR(255) DEFAULT NULL,
+                    `access_type` VARCHAR(255) DEFAULT NULL,
+                    PRIMARY KEY(`eholding_id`)
+                ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+            });
+        }
+        unless ( TableExists('erm_eholdings_packages') ) {
+            $dbh->do(q{
+                CREATE TABLE `erm_eholdings_packages` (
+                    `eholding_id` INT(11) NOT NULL,
+                    `package_id` INT(11) NOT NULL,
+                    `started_on` DATE,
+                    `ended_on` DATE,
+                    `proxy` VARCHAR(80) DEFAULT NULL,
+                    CONSTRAINT `erm_eholdings_packages_ibfk_1` FOREIGN KEY (`eholding_id`) REFERENCES `erm_eholdings` (`eholding_id`) ON DELETE CASCADE ON UPDATE CASCADE,
+                    CONSTRAINT `erm_eholdings_packages_ibfk_2` FOREIGN KEY (`package_id`) REFERENCES `erm_packages` (`package_id`) ON DELETE CASCADE ON UPDATE CASCADE
+                ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+            });
+        }
+
+        unless ( column_exists('aqbooksellers', 'external_id') ) {
+            $dbh->do(q{
+                ALTER TABLE `aqbooksellers`
+                ADD COLUMN `external_id` VARCHAR(255) DEFAULT NULL
+                AFTER `deliverytime`
+            });
+        }
+    }
 };
diff --git a/installer/data/mysql/kohastructure.sql b/installer/data/mysql/kohastructure.sql
index adaab982fb..fc22324df6 100644
--- a/installer/data/mysql/kohastructure.sql
+++ b/installer/data/mysql/kohastructure.sql
@@ -418,6 +418,7 @@ CREATE TABLE `aqbooksellers` (
   `discount` float(6,4) DEFAULT NULL COMMENT 'discount offered on all items ordered from this vendor',
   `fax` varchar(50) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT 'vendor fax number',
   `deliverytime` int(11) DEFAULT NULL COMMENT 'vendor delivery time',
+  `external_id` VARCHAR(255) DEFAULT NULL COMMENT 'external id of the vendor',
   PRIMARY KEY (`id`),
   KEY `listprice` (`listprice`),
   KEY `invoiceprice` (`invoiceprice`),
@@ -2891,6 +2892,85 @@ CREATE TABLE `erm_agreement_documents` (
     PRIMARY KEY(`document_id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 
+--
+-- Table structure for table `erm_packages`
+--
+
+DROP TABLE IF EXISTS `erm_packages`;
+CREATE TABLE `erm_packages` (
+    `package_id` INT(11) NOT NULL AUTO_INCREMENT COMMENT 'primary key',
+    `vendor_id` INT(11) DEFAULT NULL COMMENT 'foreign key to aqbooksellers',
+    `name` VARCHAR(255) NOT NULL COMMENT 'name of the package',
+    `external_package_id` VARCHAR(255) DEFAULT NULL COMMENT 'External key',
+    `package_type` VARCHAR(80) DEFAULT NULL COMMENT 'type of the package',
+    `content_type` VARCHAR(80) DEFAULT NULL COMMENT 'type of the package',
+    `created_on` timestamp NOT NULL DEFAULT current_timestamp() COMMENT 'date of creation of the package',
+    CONSTRAINT `erm_packages_ibfk_1` FOREIGN KEY (`vendor_id`) REFERENCES `aqbooksellers` (`id`) ON DELETE SET NULL ON UPDATE CASCADE,
+    PRIMARY KEY(`package_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+--
+-- Table structure for table `erm_packages_agreements`
+--
+
+DROP TABLE IF EXISTS `erm_packages_agreements`;
+CREATE TABLE `erm_packages_agreements` (
+    `package_id` INT(11) NOT NULL COMMENT 'link to the package',
+    `agreement_id` INT(11) NOT NULL COMMENT 'link to the agreement',
+    CONSTRAINT `erm_packages_agreements_ibfk_1` FOREIGN KEY (`package_id`) REFERENCES `erm_packages` (`package_id`) ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT `erm_packages_agreements_ibfk_2` FOREIGN KEY (`agreement_id`) REFERENCES `erm_agreements` (`agreement_id`) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+--
+-- Table structure for table `erm_eholdings`
+--
+
+DROP TABLE IF EXISTS `erm_eholdings`;
+CREATE TABLE `erm_eholdings` (
+    `eholding_id` INT(11) NOT NULL AUTO_INCREMENT COMMENT 'primary key',
+    `publication_title` VARCHAR(255) DEFAULT NULL,
+    `print_identifier` VARCHAR(255) DEFAULT NULL,
+    `online_identifier` VARCHAR(255) DEFAULT NULL,
+    `date_first_issue_online` VARCHAR(255) DEFAULT NULL,
+    `num_first_vol_online` VARCHAR(255) DEFAULT NULL,
+    `num_first_issue_online` VARCHAR(255) DEFAULT NULL,
+    `date_last_issue_online` VARCHAR(255) DEFAULT NULL,
+    `num_last_vol_online` VARCHAR(255) DEFAULT NULL,
+    `num_last_issue_online` VARCHAR(255) DEFAULT NULL,
+    `title_url` VARCHAR(255) DEFAULT NULL,
+    `first_author` VARCHAR(255) DEFAULT NULL,
+    `title_id` VARCHAR(255) DEFAULT NULL,
+    `embargo_info` VARCHAR(255) DEFAULT NULL,
+    `coverage_depth` VARCHAR(255) DEFAULT NULL,
+    `notes` VARCHAR(255) DEFAULT NULL,
+    `publisher_name` VARCHAR(255) DEFAULT NULL,
+    `publication_type` VARCHAR(255) DEFAULT NULL,
+    `date_monograph_published_print` VARCHAR(255) DEFAULT NULL,
+    `date_monograph_published_online` VARCHAR(255) DEFAULT NULL,
+    `monograph_volume` VARCHAR(255) DEFAULT NULL,
+    `monograph_edition` VARCHAR(255) DEFAULT NULL,
+    `first_editor` VARCHAR(255) DEFAULT NULL,
+    `parent_publication_title_id` VARCHAR(255) DEFAULT NULL,
+    `preceeding_publication_title_id` VARCHAR(255) DEFAULT NULL,
+    `access_type` VARCHAR(255) DEFAULT NULL,
+    PRIMARY KEY(`eholding_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+--
+-- Table structure for table `erm_eholdings_packages`
+--
+
+DROP TABLE IF EXISTS `erm_eholdings_packages`;
+CREATE TABLE `erm_eholdings_packages` (
+    `eholding_id` INT(11) NOT NULL,
+    `package_id` INT(11) NOT NULL,
+    `started_on` DATE,
+    `ended_on` DATE,
+    `proxy` VARCHAR(80) DEFAULT NULL,
+    CONSTRAINT `erm_eholdings_packages_ibfk_1` FOREIGN KEY (`eholding_id`) REFERENCES `erm_eholdings` (`eholding_id`) ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT `erm_eholdings_packages_ibfk_2` FOREIGN KEY (`package_id`) REFERENCES `erm_packages` (`package_id`) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
 --
 -- Table structure for table `export_format`
 --