diff --git a/MANIFEST.in b/MANIFEST.in
index 98448d2..b2e589b 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -3,4 +3,6 @@ include *.txt
 include *.rst
 include *.md
 
+recursive-include rattail_corepos/corepos/office/scripts *.php
+
 recursive-include rattail_corepos/db/alembic *.py
diff --git a/rattail_corepos/config.py b/rattail_corepos/config.py
index bc3309b..45e3061 100644
--- a/rattail_corepos/config.py
+++ b/rattail_corepos/config.py
@@ -131,6 +131,12 @@ class RattailCOREPOSExtension(ConfigExtension):
         config.setdefault('rattail.importing', 'to_corepos_db_lane_op.from_corepos_db_office_op.export.legacy_setting',
                           'corepos.lane.importing, office.handler')
 
+        # core-office import-self
+        config.setdefault('rattail.importing', 'to_self.from_corepos_db_office_op.import.default_handler',
+                          'rattail_corepos.corepos.office.importing.db.local:FromCoreOfficeToSelf')
+        config.setdefault('rattail.importing', 'to_self.from_corepos_db_office_op.import.default_cmd',
+                          'core-office import-self')
+
         # crepes export-core
         config.setdefault('rattail.importing', 'to_corepos_db_office_op.from_corepos_db_office_op.export.default_handler',
                           'rattail_corepos.corepos.importing.db.corepos:FromCoreToCoreExport')
diff --git a/rattail_corepos/corepos/office/commands.py b/rattail_corepos/corepos/office/commands.py
index 781c4e6..f1356f4 100644
--- a/rattail_corepos/corepos/office/commands.py
+++ b/rattail_corepos/corepos/office/commands.py
@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2021 Lance Edgar
+#  Copyright © 2010-2023 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -29,6 +29,7 @@ import sys
 from rattail import commands
 from rattail_corepos import __version__
 from rattail.util import load_object
+from rattail_corepos.corepos.office.util import get_fannie_config_value
 
 
 def main(*args):
@@ -76,3 +77,29 @@ class ExportLaneOp(commands.ImportSubcommand):
         if 'args' in kwargs:
             kwargs['dbkey'] = kwargs['args'].dbkey
         return kwargs
+
+
+class GetConfigValue(commands.Subcommand):
+    """
+    Get a value from CORE Office `fannie/config.php`
+    """
+    name = 'get-config-value'
+    description = __doc__.strip()
+
+    def add_parser_args(self, parser):
+        parser.add_argument('name', metavar='NAME',
+                            help="Name of the config value to get.  "
+                            "Prefix of `FANNIE_` is not required.")
+
+    def run(self, args):
+        value = get_fannie_config_value(self.config, args.name)
+        self.stdout.write(f"{value}\n")
+
+
+class ImportSelf(commands.ImportSubcommand):
+    """
+    Import data from CORE Office ("op" DB) to "self"
+    """
+    name = 'import-self'
+    description = __doc__.strip()
+    handler_key = 'to_self.from_corepos_db_office_op.import'
diff --git a/rattail_corepos/corepos/office/importing/db/local.py b/rattail_corepos/corepos/office/importing/db/local.py
new file mode 100644
index 0000000..3031735
--- /dev/null
+++ b/rattail_corepos/corepos/office/importing/db/local.py
@@ -0,0 +1,99 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2023 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU General Public License as published by the Free Software
+#  Foundation, either version 3 of the License, or (at your option) any later
+#  version.
+#
+#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+#  details.
+#
+#  You should have received a copy of the GNU General Public License along with
+#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+CORE-POS -> "self" data import
+"""
+
+from collections import OrderedDict
+
+from corepos.db.office_op import model as corepos
+
+from rattail import importing
+from rattail_corepos.corepos.office.importing import db as corepos_importing
+from rattail_corepos.corepos.office.importing.db.corepos import FromCoreHandler
+from rattail_corepos.corepos.office.util import get_fannie_config_value
+
+
+class FromCoreOfficeToSelf(FromCoreHandler, corepos_importing.model.ToCoreHandler):
+    """
+    Common base class for import handlers which read data from the
+    CORE Office DB for the sake of updating misc. other tables in that
+    same DB.
+    """
+    local_key = 'self'
+
+    def begin_local_transaction(self):
+        self.session = self.host_session
+
+    def rollback_transaction(self):
+        self.rollback_host_transaction()
+
+    def commit_transaction(self):
+        self.commit_host_transaction()
+
+    def get_importers(self):
+        importers = OrderedDict()
+        importers['CustData'] = CustDataImporter
+        return importers
+
+
+class FromCoreOffice(importing.FromSQLAlchemy):
+    """
+    Common base class for the "host" side of importers which read data
+    from the CORE Office DB for the sake of updating misc. other
+    tables in that same DB.
+    """
+
+
+class CustDataImporter(FromCoreOffice, corepos_importing.model.CustDataImporter):
+    """
+    custdata -> custdata
+
+    Primarily used to update the ``blueLine`` field.
+    """
+    host_model_class = corepos.CustData
+    supported_fields = [
+        'id',
+        'blue_line',
+    ]
+    allow_create = False
+    allow_delete = False
+
+    def setup(self):
+        super().setup()
+        self.blueline_template = get_fannie_config_value(self.config,
+                                                         'BLUELINE_TEMPLATE')
+
+    def normalize_host_object(self, customer):
+        blueline = self.blueline_template
+        blueline = blueline.replace('{{ACCOUNTNO}}', str(customer.card_number))
+        blueline = blueline.replace('{{ACCOUNTTYPE}}', customer.member_type.description)
+        blueline = blueline.replace('{{FIRSTNAME}}', customer.first_name or '')
+        blueline = blueline.replace('{{FIRSTINITIAL}}', customer.first_name[0] if customer.first_name else '')
+        blueline = blueline.replace('{{LASTNAME}}', customer.last_name or '')
+        blueline = blueline.replace('{{LASTINITIAL}}', customer.last_name[0] if customer.last_name else '')
+
+        return {
+            'id': customer.id,
+            'blue_line': blueline,
+        }
diff --git a/rattail_corepos/corepos/office/importing/db/model.py b/rattail_corepos/corepos/office/importing/db/model.py
index e0170ef..fd2dd55 100644
--- a/rattail_corepos/corepos/office/importing/db/model.py
+++ b/rattail_corepos/corepos/office/importing/db/model.py
@@ -198,12 +198,13 @@ class MemberInfoImporter(ToCore):
             data['first_name'] = customer.first_name
             data['last_name'] = customer.last_name
 
-        if self.normalize_phone_numbers:
+        if self.normalize_phone_numbers and 'phone' in self.fields:
             data['phone'] = self.app.normalize_phone_number(data['phone'])
 
-        if self.strip_address_street or self.strip_address_all:
+        if ((self.strip_address_street or self.strip_address_all)
+            and 'street' in self.fields):
             data['street'] = (data['street'] or '').strip()
-        if self.strip_address_all:
+        if self.strip_address_all and self.fields_active(['city', 'state', 'zip']):
             data['city'] = (data['city'] or '').strip()
             data['state'] = (data['state'] or '').strip()
             data['zip'] = (data['zip'] or '').strip()
diff --git a/rattail_corepos/corepos/office/scripts/parse-fannie-config.php b/rattail_corepos/corepos/office/scripts/parse-fannie-config.php
new file mode 100644
index 0000000..255f3eb
--- /dev/null
+++ b/rattail_corepos/corepos/office/scripts/parse-fannie-config.php
@@ -0,0 +1,34 @@
+<?php
+
+$options = getopt('h', array(
+    'help',
+    'path:',
+    'setting:',
+));
+
+$help = isset($options['h']) or isset($options['help']);
+$path = isset($options['path']) ? $options['path'] : null;
+$setting = isset($options['setting']) ? $options['setting'] : null;
+
+if ($help or !$path or !$setting) {
+    $script = basename($argv[0]);
+    echo "Usage:  $script --path FANNIE_CONFIG_PATH --setting NAME_OF_SETTING\n";
+    exit($help ? 0 : 1);
+}
+
+if (!is_file(realpath($path))) {
+    echo "Config file does not exist: $path\n";
+    exit(2);
+}
+$path = realpath($path);
+include($path);
+
+if (!isset($$setting)) {
+    echo "Config file does not contain setting: $setting\n";
+    exit(3);
+}
+$value = $$setting;
+
+echo json_encode($value);
+
+?>
diff --git a/rattail_corepos/corepos/office/util.py b/rattail_corepos/corepos/office/util.py
new file mode 100644
index 0000000..44aed12
--- /dev/null
+++ b/rattail_corepos/corepos/office/util.py
@@ -0,0 +1,62 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2023 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU General Public License as published by the Free Software
+#  Foundation, either version 3 of the License, or (at your option) any later
+#  version.
+#
+#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+#  details.
+#
+#  You should have received a copy of the GNU General Public License along with
+#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+CORE Office utility logic
+"""
+
+import json
+import os
+import subprocess
+
+from rattail.files import resource_path
+
+
+def get_fannie_config_value(config, name):
+    """
+    Retrieve a config value from `fannie/config.php`
+
+    :param config: Rattail config object.
+
+    :param name: Name of the config value to be returned.  This need
+       not be prefixed with ``FANNIE_`` although it can be.
+
+    :returns: Config value as Python object, e.g. a string or dict.
+       This is believed to work okay but since the Fannie config file
+       represents data with PHP code, which is then converted to JSON
+       and finally to Python, some discrepancies may be possible.
+    """
+    if not name.startswith('FANNIE_'):
+        name = f'FANNIE_{name}'
+
+    is4c = config.require('corepos', 'srcdir')
+    path = os.path.join(is4c, 'fannie', 'config.php')
+    script = resource_path('rattail_corepos.corepos.office:scripts/parse-fannie-config.php')
+
+    try:
+        output = subprocess.check_output(['php', script,
+                                          '--path', path,
+                                          '--setting', name])
+    except subprocess.CalledProcessError as error:
+        raise ValueError(f"failed to read value: {error.output.decode('utf_8')}")
+
+    return json.loads(output.decode('utf_8'))
diff --git a/setup.cfg b/setup.cfg
index 898161a..63bf0b8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -42,6 +42,8 @@ console_scripts =
 
 core_office.commands =
         export-lane-op = rattail_corepos.corepos.office.commands:ExportLaneOp
+        import-self = rattail_corepos.corepos.office.commands:ImportSelf
+        get-config-value = rattail_corepos.corepos.office.commands:GetConfigValue
 
 crepes.commands =
         export-core = rattail_corepos.corepos.commands:ExportCore