diff --git a/ERD/Backend_ERD.drawio.png b/ERD/Backend_ERD.drawio.png
index 5c6d980..3074d49 100644
Binary files a/ERD/Backend_ERD.drawio.png and b/ERD/Backend_ERD.drawio.png differ
diff --git a/ERD/Final_Backend_ERD.png b/ERD/Final_Backend_ERD.png
new file mode 100644
index 0000000..4d90e5d
Binary files /dev/null and b/ERD/Final_Backend_ERD.png differ
diff --git a/equipment_tracker/schema.yml b/equipment_tracker/schema.yml
index d19016d..84602d4 100644
--- a/equipment_tracker/schema.yml
+++ b/equipment_tracker/schema.yml
@@ -1589,6 +1589,8 @@ components:
           type: string
           format: date-time
           readOnly: true
+        section:
+          type: string
     SendEmailReset:
       type: object
       properties:
@@ -1705,10 +1707,13 @@ components:
           type: string
           format: date-time
           readOnly: true
+        section:
+          type: string
       required:
       - borrower
       - equipments
       - id
+      - section
       - subject
       - teacher
       - timestamp
diff --git a/equipment_tracker/transactions/migrations/0003_transaction_section.py b/equipment_tracker/transactions/migrations/0003_transaction_section.py
new file mode 100644
index 0000000..cdc19b0
--- /dev/null
+++ b/equipment_tracker/transactions/migrations/0003_transaction_section.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.0.1 on 2024-01-11 03:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('transactions', '0002_alter_transaction_transaction_status'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='transaction',
+            name='section',
+            field=models.CharField(max_length=255, null=True),
+        ),
+    ]
diff --git a/equipment_tracker/transactions/models.py b/equipment_tracker/transactions/models.py
index 65f735c..08551f4 100644
--- a/equipment_tracker/transactions/models.py
+++ b/equipment_tracker/transactions/models.py
@@ -38,6 +38,7 @@ class Transaction(models.Model):
         max_length=40, choices=TRANSACTION_STATUS_CHOICES, default='Pending', db_index=True)
     subject = models.TextField(max_length=128)
     timestamp = models.DateTimeField(default=now, editable=False)
+    section = models.CharField(max_length=255, null=True)
 
     def __str__(self):
         return f"Transaction #{self.id} under {self.teacher} by {self.borrower}"
diff --git a/equipment_tracker/transactions/serializers.py b/equipment_tracker/transactions/serializers.py
index ee57a97..71bb333 100644
--- a/equipment_tracker/transactions/serializers.py
+++ b/equipment_tracker/transactions/serializers.py
@@ -41,6 +41,7 @@ class TransactionSerializer(serializers.HyperlinkedModelSerializer):
         required=False, allow_null=True, allow_blank=True)
     timestamp = serializers.DateTimeField(
         format="%m-%d-%Y %I:%M %p", read_only=True)
+    section = serializers.CharField(required=True, allow_null=False)
 
     transaction_status = serializers.ChoiceField(
         choices=Transaction.TRANSACTION_STATUS_CHOICES)
@@ -48,7 +49,7 @@ class TransactionSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = Transaction
         fields = ['id', 'borrower', 'teacher', 'subject',
-                  'equipments', 'remarks', 'transaction_status', 'additional_members', 'consumables', 'timestamp']
+                  'equipments', 'remarks', 'transaction_status', 'additional_members', 'consumables', 'timestamp', 'section']
         read_only_fields = ['id', 'timestamp']
 
     def to_representation(self, instance):