diff --git a/api/app/database.py b/api/app/database.py
index 80eb869..77dd0c9 100644
--- a/api/app/database.py
+++ b/api/app/database.py
@@ -1,12 +1,8 @@
 import oracledb
 import aiosqlite
 import sqlite3
-import json
-import re
-import unicodedata
 import logging
 import os
-from pathlib import Path
 from .config import settings
 
 logger = logging.getLogger(__name__)
@@ -375,33 +371,7 @@ def init_sqlite():
 
 def _backfill_address_mismatch(conn):
     """Recompute address_mismatch from stored address JSON for all orders."""
-    _ADDR_WORDS = re.compile(
-        r'\b(STR|STRADA|NR|NUMAR|NUMARUL|BL|BLOC|SC|SCARA|AP|APART|APARTAMENT|'
-        r'ET|ETAJ|COM|COMUNA|SAT|MUN|MUNICIPIUL|JUD|JUDETUL|CARTIER|PARTER|SECTOR|ORAS)\b'
-    )
-
-    def norm(s):
-        s = unicodedata.normalize('NFD', s or '')
-        s = re.sub(r'[\u0300-\u036f]', '', s).upper()
-        s = _ADDR_WORDS.sub('', s)
-        return re.sub(r'[^A-Z0-9]', '', s)
-
-    def addr_match(gomag_json, roa_json):
-        if not gomag_json or not roa_json:
-            return True
-        try:
-            g = json.loads(gomag_json) if isinstance(gomag_json, str) else gomag_json
-            r = json.loads(roa_json) if isinstance(roa_json, str) else roa_json
-        except (json.JSONDecodeError, TypeError):
-            return True
-        g_street = norm(g.get('address') or g.get('strada') or '')
-        r_street = norm((r.get('strada') or '') + (r.get('numar') or ''))
-        g_city = norm(g.get('city') or g.get('localitate') or '')
-        r_city = norm(r.get('localitate') or '')
-        g_region = norm(g.get('region') or g.get('judet') or '')
-        r_region = norm(r.get('judet') or '')
-        return g_street == r_street and g_city == r_city and g_region == r_region
-
+    from .services.sync_service import _addr_match
     try:
         rows = conn.execute("""
             SELECT order_number, adresa_livrare_gomag, adresa_livrare_roa,
@@ -411,8 +381,8 @@ def _backfill_address_mismatch(conn):
         """).fetchall()
         updated = 0
         for r in rows:
-            livr_ok = addr_match(r[1], r[2])
-            fact_ok = addr_match(r[3], r[4])
+            livr_ok = _addr_match(r[1], r[2])
+            fact_ok = _addr_match(r[3], r[4])
             new_val = 1 if (not livr_ok or not fact_ok) else 0
             conn.execute(
                 "UPDATE orders SET address_mismatch = ? WHERE order_number = ?",
diff --git a/api/app/services/import_service.py b/api/app/services/import_service.py
index ca5c932..020a3fa 100644
--- a/api/app/services/import_service.py
+++ b/api/app/services/import_service.py
@@ -338,28 +338,32 @@ def import_single_order(order, id_pol: int = None, id_sectie: int = None, app_se
                     # Different person: use shipping address for BOTH billing and shipping in ROA
                     addr_fact_id = addr_livr_id
                 else:
-                    # Same person: use billing address as-is
-                    id_adresa_fact = cur.var(oracledb.DB_TYPE_NUMBER)
+                    # Same person: compute billing addr, short-circuit if identical to shipping
                     billing_addr = format_address_for_oracle(
                         order.billing.address, order.billing.city, order.billing.region
                     )
-                    cur.callproc("PACK_IMPORT_PARTENERI.cauta_sau_creeaza_adresa", [
-                        partner_id, billing_addr,
-                        order.billing.phone or "",
-                        order.billing.email or "",
-                        id_adresa_fact
-                    ])
-                    addr_fact_id = id_adresa_fact.getvalue()
+                    if addr_livr_id and order.shipping and billing_addr == shipping_addr:
+                        # billing = shipping: reuse addr_livr_id to avoid duplicate Oracle address
+                        addr_fact_id = addr_livr_id
+                    else:
+                        id_adresa_fact = cur.var(oracledb.DB_TYPE_NUMBER)
+                        cur.callproc("PACK_IMPORT_PARTENERI.cauta_sau_creeaza_adresa", [
+                            partner_id, billing_addr,
+                            order.billing.phone or "",
+                            order.billing.email or "",
+                            id_adresa_fact
+                        ])
+                        addr_fact_id = id_adresa_fact.getvalue()
 
-                    if addr_fact_id is None:
-                        cur.execute("SELECT PACK_IMPORT_PARTENERI.get_last_error FROM dual")
-                        plsql_err = cur.fetchone()[0]
-                        err_msg = f"Billing address creation failed for partner {partner_id}"
-                        if plsql_err:
-                            err_msg += f": {plsql_err}"
-                        logger.error(f"Order {order_number}: {err_msg}")
-                        result["error"] = err_msg
-                        return result
+                        if addr_fact_id is None:
+                            cur.execute("SELECT PACK_IMPORT_PARTENERI.get_last_error FROM dual")
+                            plsql_err = cur.fetchone()[0]
+                            err_msg = f"Billing address creation failed for partner {partner_id}"
+                            if plsql_err:
+                                err_msg += f": {plsql_err}"
+                            logger.error(f"Order {order_number}: {err_msg}")
+                            result["error"] = err_msg
+                            return result
 
                 if addr_fact_id is not None:
                     result["id_adresa_facturare"] = int(addr_fact_id)
diff --git a/api/app/services/sync_service.py b/api/app/services/sync_service.py
index 57bc739..b6c7e31 100644
--- a/api/app/services/sync_service.py
+++ b/api/app/services/sync_service.py
@@ -31,8 +31,9 @@ def _addr_match(gomag_json, roa_json):
     except (json.JSONDecodeError, TypeError):
         return True
     _ADDR_WORDS = re.compile(
-        r'\b(STR|STRADA|NR|NUMAR|NUMARUL|BL|BLOC|SC|SCARA|AP|APART|APARTAMENT|'
-        r'ET|ETAJ|COM|COMUNA|SAT|MUN|MUNICIPIUL|JUD|JUDETUL|CARTIER|PARTER|SECTOR|ORAS)\b'
+        r'\bSECTORUL\s*\d*'
+        r'|\b(STR|STRADA|NR|NUMAR|NUMARUL|BL|BLOC|SC|SCARA|AP|APART|APARTAMENT|'
+        r'ET|ETAJ|COM|COMUNA|SAT|MUN|MUNICIPIUL|JUD|JUDETUL|CARTIER|PARTER|SECTOR|SECTORUL|ORAS)(?:\b|(?=\d))'
     )
     def norm(s):
         s = unicodedata.normalize('NFD', s or '')
@@ -40,7 +41,7 @@ def _addr_match(gomag_json, roa_json):
         s = _ADDR_WORDS.sub('', s)
         return re.sub(r'[^A-Z0-9]', '', s)
     g_street = norm(g.get('address') or g.get('strada') or '')
-    r_street = norm((r.get('strada') or '') + (r.get('numar') or '') + (r.get('bloc') or '') + (r.get('scara') or '') + (r.get('apart') or ''))
+    r_street = norm((r.get('strada') or '') + (r.get('numar') or '') + (r.get('bloc') or '') + (r.get('scara') or '') + (r.get('apart') or '') + (r.get('etaj') or ''))
     g_city = norm(g.get('city') or g.get('localitate') or '')
     r_city = norm(r.get('localitate') or '')
     g_region = norm(g.get('region') or g.get('judet') or '')
diff --git a/api/app/static/js/shared.js b/api/app/static/js/shared.js
index 72cebe1..0a4829d 100644
--- a/api/app/static/js/shared.js
+++ b/api/app/static/js/shared.js
@@ -850,11 +850,11 @@ function addrMatch(gomag, roa) {
     function norm(s) {
         return (s || '').normalize('NFD').replace(/[\u0300-\u036f]/g, '')
                         .toUpperCase()
-                        .replace(/\b(STR|STRADA|NR|NUMAR|NUMARUL|BL|BLOC|SC|SCARA|AP|APART|APARTAMENT|ET|ETAJ|COM|COMUNA|SAT|MUN|MUNICIPIUL|JUD|JUDETUL|CARTIER|PARTER|SECTOR|ORAS)\b/g, '')
+                        .replace(/\b(STR|STRADA|NR|NUMAR|NUMARUL|BL|BLOC|SC|SCARA|AP|APART|APARTAMENT|ET|ETAJ|COM|COMUNA|SAT|MUN|MUNICIPIUL|JUD|JUDETUL|CARTIER|PARTER|SECTOR|SECTORUL|ORAS)(?:\b|(?=\d))/g, '')
                         .replace(/[^A-Z0-9]/g, '');
     }
     const gStreet = norm(gomag.address || gomag.strada || '');
-    const rStreet = norm((roa.strada||'') + (roa.numar||'') + (roa.bloc||'') + (roa.scara||'') + (roa.apart||''));
+    const rStreet = norm((roa.strada||'') + (roa.numar||'') + (roa.bloc||'') + (roa.scara||'') + (roa.apart||'') + (roa.etaj||''));
     const gCity   = norm(gomag.city || gomag.localitate || '');
     const rCity   = norm(roa.localitate || '');
     const gRegion = norm(gomag.region || gomag.judet || '');
diff --git a/api/app/templates/base.html b/api/app/templates/base.html
index 03aa49d..f70c6dd 100644
--- a/api/app/templates/base.html
+++ b/api/app/templates/base.html
@@ -168,7 +168,7 @@
 
     <script>window.ROOT_PATH = "{{ rp }}";</script>
     <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
-    <script src="{{ rp }}/static/js/shared.js?v=32"></script>
+    <script src="{{ rp }}/static/js/shared.js?v=33"></script>
     <script>
     // Dark mode toggle
     function toggleDarkMode() {
diff --git a/api/database-scripts/05_pack_import_parteneri.pck b/api/database-scripts/05_pack_import_parteneri.pck
index 4f72c75..060669b 100644
--- a/api/database-scripts/05_pack_import_parteneri.pck
+++ b/api/database-scripts/05_pack_import_parteneri.pck
@@ -10,6 +10,7 @@ CREATE OR REPLACE PACKAGE PACK_IMPORT_PARTENERI AS
   -- 06.04.2026 - fix strip_diacritics: UNISTR encoding-safe (TRANSLATE cu UTF-8 literal se corupea pe Windows)
   -- 06.04.2026 - fix TIER 1: strip_diacritics si pe localitate (nu doar strada)
   -- 07.04.2026 - fix parser adrese: inserare virgule inaintea keywords, tokeni lipiti (Ap78), strip localitate din strada
+  -- 07.04.2026 - fix duplicate: normalize localitate + resolve id_localitate inainte de TIER 1 (match pe id_loc)
 
   -- ====================================================================
   -- CONSTANTS
@@ -973,16 +974,63 @@ CREATE OR REPLACE PACKAGE BODY PACK_IMPORT_PARTENERI AS
                               v_apart,
                               v_etaj);
   
-    -- 01.04.2026 - cautare adresa pe strada + diacritics + id_loc validation
-    -- 06.04.2026 - strip_diacritics si pe localitate (fix: 'FĂLTICENI' vs 'FALTICENI')
-    -- TIER 1: county + city + street (all diacritics normalized) + valid id_loc
+    -- 07.04.2026 - normalize MUNICIPIUL BUCURESTI → BUCURESTI SECTORUL X before TIER 1
+    IF UPPER(TRIM(v_localitate)) IN ('MUNICIPIUL BUCURESTI', 'MUN BUCURESTI', 'MUN. BUCURESTI', 'BUCURESTI') THEN
+      IF v_sector IS NOT NULL AND TRIM(v_sector) IS NOT NULL THEN
+        v_localitate := 'BUCURESTI SECTORUL ' || TRIM(v_sector);
+      END IF;
+    END IF;
+
+    -- Resolve id_judet inainte de TIER 1
+    BEGIN
+      SELECT id_judet INTO v_id_judet
+        FROM syn_nom_judete
+       WHERE judet = v_judet
+         AND sters = 0;
+    EXCEPTION
+      WHEN NO_DATA_FOUND THEN v_id_judet := N_ID_JUD_DEFAULT;
+    END;
+
+    -- Resolve id_localitate inainte de TIER 1
+    BEGIN
+      SELECT id_loc, id_judet, id_tara
+        INTO v_id_localitate, v_id_judet, v_id_tara
+        FROM (SELECT id_loc, id_judet, id_tara, rownum rn
+                FROM syn_nom_localitati l
+               WHERE id_judet = v_id_judet
+                 AND strip_diacritics(localitate) = strip_diacritics(v_localitate)
+                 AND inactiv = 0
+                 AND sters = 0
+               ORDER BY localitate)
+       WHERE rn = 1;
+    EXCEPTION
+      WHEN NO_DATA_FOUND THEN
+        BEGIN
+          SELECT id_loc, id_judet, id_tara
+            INTO v_id_localitate, v_id_judet, v_id_tara
+            FROM (SELECT id_loc, id_judet, id_tara, rownum rn
+                    FROM syn_nom_localitati l
+                   WHERE id_judet = v_id_judet
+                     AND inactiv = 0
+                     AND sters = 0
+                   ORDER BY localitate)
+           WHERE rn = 1;
+        EXCEPTION
+          WHEN NO_DATA_FOUND THEN
+            v_id_localitate := N_ID_LOCALITATE_DEFAULT;
+            v_id_judet      := N_ID_JUD_DEFAULT;
+            v_id_tara       := N_ID_TARA_DEFAULT;
+        END;
+    END;
+
+    -- 07.04.2026 - fix duplicate: normalize localitate + resolve id_localitate inainte de TIER 1 (match pe id_loc)
+    -- TIER 1: match pe id_loc + strada (evita duplicate MUNICIPIUL BUCURESTI vs BUCURESTI SECTORUL X)
     begin
       select id_adresa into p_id_adresa from (
         select id_adresa
           from vadrese_parteneri
          where id_part = p_id_part
-           and strip_diacritics(judet) = strip_diacritics(v_judet)
-           and strip_diacritics(localitate) = strip_diacritics(v_localitate)
+           and id_loc = v_id_localitate
            and strip_diacritics(strada) = strip_diacritics(v_strada)
            and id_loc IS NOT NULL
          order by principala desc, id_adresa desc
@@ -993,50 +1041,6 @@ CREATE OR REPLACE PACKAGE BODY PACK_IMPORT_PARTENERI AS
 
     -- Adaug o adresa
     if p_id_adresa is null then
-      -- caut judetul
-      begin
-        select id_judet
-          into v_id_judet
-          from syn_nom_judete
-         where judet = v_judet
-           and sters = 0;
-      exception
-        when NO_DATA_FOUND then
-          v_id_judet := N_ID_JUD_DEFAULT;
-      end;
-    
-      -- caut localitatea (strip_diacritics pe ambele parti — fix encoding mismatch)
-      begin
-        select id_loc, id_judet, id_tara
-          into v_id_localitate, v_id_judet, v_id_tara
-          from (select id_loc, id_judet, id_tara, rownum rn
-                  from syn_nom_localitati l
-                 where id_judet = v_id_judet
-                   and strip_diacritics(localitate) = strip_diacritics(v_localitate)
-                   and inactiv = 0
-                   and sters = 0
-                 order by localitate)
-         where rn = 1;
-      exception
-        when NO_DATA_FOUND then
-          begin
-            select id_loc, id_judet, id_tara
-              into v_id_localitate, v_id_judet, v_id_tara
-              from (select id_loc, id_judet, id_tara, rownum rn
-                      from syn_nom_localitati l
-                     where id_judet = v_id_judet
-                       and inactiv = 0
-                       and sters = 0
-                     order by localitate)
-             where rn = 1;
-          exception
-            when NO_DATA_FOUND then
-              v_id_localitate := N_ID_LOCALITATE_DEFAULT;
-              v_id_judet      := N_ID_JUD_DEFAULT;
-              v_id_tara       := N_ID_TARA_DEFAULT;
-          end;
-      end;
-    
       -- 01.04.2026 - strip_diacritics la stocare adrese
       v_strada     := strip_diacritics(v_strada);
       v_localitate := strip_diacritics(v_localitate);
diff --git a/api/tests/test_business_rules.py b/api/tests/test_business_rules.py
index 59dade6..5827fed 100644
--- a/api/tests/test_business_rules.py
+++ b/api/tests/test_business_rules.py
@@ -733,6 +733,47 @@ class TestAddrMatch:
         roa = json.dumps({"strada": "STRADA VASILE GOLDIS", "numar": "19", "bloc": "", "scara": "", "apart": "", "localitate": "ALBA IULIA", "judet": "ALBA"})
         assert _addr_match(gomag, roa) is False
 
+    def test_sectorul_in_city(self):
+        """GoMag 'Municipiul București' matches ROA 'BUCURESTI SECTORUL 1'."""
+        from app.services.sync_service import _addr_match
+        import json
+        g = json.dumps({"address": "Bld Decebal 24", "city": "Municipiul București", "region": "Bucuresti"})
+        r = json.dumps({"strada": "BLD DECEBAL", "numar": "24", "localitate": "BUCURESTI SECTORUL 1", "judet": "BUCURESTI"})
+        assert _addr_match(g, r) is True
+
+    def test_keyword_digit_gluing(self):
+        """Keywords glued to digits like 'sc1', 'ap94' are stripped correctly."""
+        from app.services.sync_service import _addr_match
+        import json
+        g = json.dumps({"address": "Bld Decebal nr24 bl S2B sc1 ap94", "city": "Bucuresti", "region": "Bucuresti"})
+        r = json.dumps({"strada": "BLD DECEBAL", "numar": "24", "bloc": "S2B", "scara": "1", "apart": "94", "localitate": "BUCURESTI", "judet": "BUCURESTI"})
+        assert _addr_match(g, r) is True
+
+    def test_etaj_in_street(self):
+        """GoMag address with 'etaj 7' matches ROA with etaj field."""
+        from app.services.sync_service import _addr_match
+        import json
+        g = json.dumps({"address": "Bld Decebal 24 Bl S2B Sc 1 Ap 94 Etaj 7", "city": "Bucuresti", "region": "Bucuresti"})
+        r = json.dumps({"strada": "BLD DECEBAL", "numar": "24", "bloc": "S2B", "scara": "1", "apart": "94", "etaj": "7", "localitate": "BUCURESTI", "judet": "BUCURESTI"})
+        assert _addr_match(g, r) is True
+
+    def test_billing_equals_shipping_short_circuit(self):
+        """Short-circuit condition: billing == shipping → reuse addr_livr_id."""
+        from app.services.import_service import format_address_for_oracle
+        shipping_addr = format_address_for_oracle("Bld Decebal 24", "Bucuresti", "Bucuresti")
+        billing_addr = format_address_for_oracle("Bld Decebal 24", "Bucuresti", "Bucuresti")
+        addr_livr_id = 123
+        # Simulate the short-circuit condition
+        assert addr_livr_id and billing_addr == shipping_addr
+
+    def test_billing_differs_shipping_no_short_circuit(self):
+        """When billing != shipping, short-circuit does NOT apply."""
+        from app.services.import_service import format_address_for_oracle
+        shipping_addr = format_address_for_oracle("Str. Victoriei 10", "Cluj", "Cluj")
+        billing_addr = format_address_for_oracle("Bld Decebal 24", "Bucuresti", "Bucuresti")
+        addr_livr_id = 123
+        assert not (addr_livr_id and billing_addr == shipping_addr)
+
 
 class TestFormatAddressForOracle:
     """Tests for format_address_for_oracle city stripping."""
diff --git a/scripts/cleanup_duplicate_addresses.sql b/scripts/cleanup_duplicate_addresses.sql
new file mode 100644
index 0000000..422fb26
--- /dev/null
+++ b/scripts/cleanup_duplicate_addresses.sql
@@ -0,0 +1,88 @@
+-- cleanup_duplicate_addresses.sql
+-- Diagnostic and cleanup script for duplicate Oracle partner addresses
+-- Run on ROA Oracle database AFTER deploying 07.04.2026 PL/SQL fix
+-- IMPORTANT: Review Step 2 output BEFORE running Step 3 COMMIT
+
+-- =============================================================================
+-- STEP 1: Diagnostic — find partners with duplicate addresses (same id_loc + strada)
+-- =============================================================================
+SELECT p.id_part,
+       p.denumire,
+       strip_diacritics(a.strada) as strada_norm,
+       a.id_loc,
+       COUNT(*) as nr_duplicate,
+       MIN(a.id_adresa) as keep_id,
+       MAX(a.id_adresa) as dup_id
+  FROM vadrese_parteneri a
+  JOIN syn_parteneri p ON p.id_part = a.id_part
+ WHERE a.id_loc IS NOT NULL
+   AND a.strada IS NOT NULL
+ GROUP BY p.id_part, p.denumire, strip_diacritics(a.strada), a.id_loc
+HAVING COUNT(*) > 1
+ ORDER BY nr_duplicate DESC, p.denumire;
+
+-- =============================================================================
+-- STEP 2: FK references for each duplicate address
+-- Review this before proceeding to Step 3
+-- =============================================================================
+SELECT 'LIVRARE' as tip,
+       c.numar_comanda,
+       c.id_adresa_livrare as id_adresa
+  FROM comenzi c
+ WHERE c.id_adresa_livrare IN (
+   SELECT MAX(a.id_adresa)
+     FROM vadrese_parteneri a
+    WHERE a.id_loc IS NOT NULL AND a.strada IS NOT NULL
+    GROUP BY a.id_part, strip_diacritics(a.strada), a.id_loc
+   HAVING COUNT(*) > 1
+ )
+UNION ALL
+SELECT 'FACTURARE',
+       c.numar_comanda,
+       c.id_adresa_facturare
+  FROM comenzi c
+ WHERE c.id_adresa_facturare IN (
+   SELECT MAX(a.id_adresa)
+     FROM vadrese_parteneri a
+    WHERE a.id_loc IS NOT NULL AND a.strada IS NOT NULL
+    GROUP BY a.id_part, strip_diacritics(a.strada), a.id_loc
+   HAVING COUNT(*) > 1
+ )
+ ORDER BY id_adresa;
+
+-- =============================================================================
+-- STEP 3: Consolidation — update FK references, then soft-delete duplicates
+-- IMPORTANT: Run STEP 1 and 2 first. Manual COMMIT required after review.
+-- =============================================================================
+-- Update comenzi references from dup_id → keep_id
+BEGIN
+  FOR rec IN (
+    SELECT MIN(id_adresa) as keep_id, MAX(id_adresa) as dup_id
+      FROM vadrese_parteneri
+     WHERE id_loc IS NOT NULL AND strada IS NOT NULL
+     GROUP BY id_part, strip_diacritics(strada), id_loc
+    HAVING COUNT(*) > 1
+  ) LOOP
+    UPDATE comenzi SET id_adresa_livrare = rec.keep_id
+     WHERE id_adresa_livrare = rec.dup_id;
+    UPDATE comenzi SET id_adresa_facturare = rec.keep_id
+     WHERE id_adresa_facturare = rec.dup_id;
+    -- Soft-delete duplicate address
+    UPDATE vadrese_parteneri SET sters = 1
+     WHERE id_adresa = rec.dup_id;
+    DBMS_OUTPUT.PUT_LINE('Merged dup_id=' || rec.dup_id || ' → keep_id=' || rec.keep_id);
+  END LOOP;
+END;
+/
+-- COMMIT;  -- Uncomment after reviewing DBMS_OUTPUT
+
+-- =============================================================================
+-- STEP 4: Find addresses with principala=1 and strada IS NULL (empty principals)
+-- =============================================================================
+SELECT a.id_adresa, a.id_part, p.denumire, a.principala
+  FROM vadrese_parteneri a
+  JOIN syn_parteneri p ON p.id_part = a.id_part
+ WHERE a.principala = 1
+   AND (a.strada IS NULL OR TRIM(a.strada) = '')
+   AND a.sters = 0
+ ORDER BY p.denumire;