diff --git a/CRM/Financial/BAO/FinancialItem.php b/CRM/Financial/BAO/FinancialItem.php
index 215159bb99ae..e3cc03c6a97e 100644
--- a/CRM/Financial/BAO/FinancialItem.php
+++ b/CRM/Financial/BAO/FinancialItem.php
@@ -289,4 +289,16 @@ public static function getPreviousFinancialItem($entityId) {
     return civicrm_api3('FinancialItem', 'getsingle', $params);
   }
 
+  /**
+   * Whitelist of possible values for the entity_table field
+   *
+   * @return array
+   */
+  public static function entityTables(): array {
+    return [
+      'civicrm_line_item' => ts('Line Item'),
+      'civicrm_financial_trxn' => ts('Financial Trxn'),
+    ];
+  }
+
 }
diff --git a/CRM/Financial/DAO/FinancialItem.php b/CRM/Financial/DAO/FinancialItem.php
index 6d1f8098f790..2e99cdfd698d 100644
--- a/CRM/Financial/DAO/FinancialItem.php
+++ b/CRM/Financial/DAO/FinancialItem.php
@@ -6,7 +6,7 @@
  *
  * Generated from xml/schema/CRM/Financial/FinancialItem.xml
  * DO NOT EDIT.  Generated by CRM_Core_CodeGen
- * (GenCodeChecksum:b63c826a61c494010c7628672e82fc27)
+ * (GenCodeChecksum:c9deaca104b5b1126ad3a064c520d0c3)
  */
 
 /**
@@ -93,7 +93,7 @@ class CRM_Financial_DAO_FinancialItem extends CRM_Core_DAO {
   public $status_id;
 
   /**
-   * The table providing the source of this item such as civicrm_line_item
+   * May contain civicrm_line_item, civicrm_financial_trxn etc
    *
    * @var string
    */
@@ -315,7 +315,7 @@ public static function &fields() {
           'name' => 'entity_table',
           'type' => CRM_Utils_Type::T_STRING,
           'title' => ts('Entity Table'),
-          'description' => ts('The table providing the source of this item such as civicrm_line_item'),
+          'description' => ts('May contain civicrm_line_item, civicrm_financial_trxn etc'),
           'maxlength' => 64,
           'size' => CRM_Utils_Type::BIG,
           'where' => 'civicrm_financial_item.entity_table',
@@ -323,6 +323,9 @@ public static function &fields() {
           'entity' => 'FinancialItem',
           'bao' => 'CRM_Financial_BAO_FinancialItem',
           'localizable' => 0,
+          'pseudoconstant' => [
+            'callback' => 'CRM_Financial_BAO_FinancialItem::entityTables',
+          ],
           'add' => '4.3',
         ],
         'entity_id' => [
diff --git a/CRM/Price/BAO/LineItem.php b/CRM/Price/BAO/LineItem.php
index 0d6f12c6a892..e7e891b70a74 100644
--- a/CRM/Price/BAO/LineItem.php
+++ b/CRM/Price/BAO/LineItem.php
@@ -1229,4 +1229,17 @@ protected function getSalesTaxTerm() {
     return CRM_Contribute_BAO_Contribution::checkContributeSettings('tax_term');
   }
 
+  /**
+   * Whitelist of possible values for the entity_table field
+   *
+   * @return array
+   */
+  public static function entityTables(): array {
+    return [
+      'civicrm_contribution' => ts('Contribution'),
+      'civicrm_participant' => ts('Participant'),
+      'civicrm_membership' => ts('Membership'),
+    ];
+  }
+
 }
diff --git a/CRM/Price/DAO/LineItem.php b/CRM/Price/DAO/LineItem.php
index c226921b4b59..0aa851939ea1 100644
--- a/CRM/Price/DAO/LineItem.php
+++ b/CRM/Price/DAO/LineItem.php
@@ -6,7 +6,7 @@
  *
  * Generated from xml/schema/CRM/Price/LineItem.xml
  * DO NOT EDIT.  Generated by CRM_Core_CodeGen
- * (GenCodeChecksum:1c10b6b406bb73014b2fbe6ceb95fda3)
+ * (GenCodeChecksum:cffc97712c8823323cbeb39a0851363a)
  */
 
 /**
@@ -39,7 +39,7 @@ class CRM_Price_DAO_LineItem extends CRM_Core_DAO {
   public $id;
 
   /**
-   * table which has the transaction
+   * May contain civicrm_contribution, civicrm_participant or civicrm_membership
    *
    * @var string
    */
@@ -195,7 +195,7 @@ public static function &fields() {
           'name' => 'entity_table',
           'type' => CRM_Utils_Type::T_STRING,
           'title' => ts('Line Item Entity Type'),
-          'description' => ts('table which has the transaction'),
+          'description' => ts('May contain civicrm_contribution, civicrm_participant or civicrm_membership'),
           'required' => TRUE,
           'maxlength' => 64,
           'size' => CRM_Utils_Type::BIG,
@@ -204,6 +204,9 @@ public static function &fields() {
           'entity' => 'LineItem',
           'bao' => 'CRM_Price_BAO_LineItem',
           'localizable' => 0,
+          'pseudoconstant' => [
+            'callback' => 'CRM_Price_BAO_LineItem::entityTables',
+          ],
           'add' => '1.7',
         ],
         'entity_id' => [
diff --git a/xml/schema/Financial/FinancialItem.xml b/xml/schema/Financial/FinancialItem.xml
index 8e1f5a745485..f7790e49ed19 100644
--- a/xml/schema/Financial/FinancialItem.xml
+++ b/xml/schema/Financial/FinancialItem.xml
@@ -139,7 +139,10 @@
     <type>varchar</type>
     <title>Entity Table</title>
     <length>64</length>
-    <comment>The table providing the source of this item such as civicrm_line_item</comment>
+    <pseudoconstant>
+      <callback>CRM_Financial_BAO_FinancialItem::entityTables</callback>
+    </pseudoconstant>
+    <comment>May contain civicrm_line_item, civicrm_financial_trxn etc</comment>
     <add>4.3</add>
   </field>
   <field>
diff --git a/xml/schema/Price/LineItem.xml b/xml/schema/Price/LineItem.xml
index 6b2733e7174e..4e0f795bec50 100644
--- a/xml/schema/Price/LineItem.xml
+++ b/xml/schema/Price/LineItem.xml
@@ -28,7 +28,10 @@
     <type>varchar</type>
     <length>64</length>
     <required>true</required>
-    <comment>table which has the transaction</comment>
+    <pseudoconstant>
+      <callback>CRM_Price_BAO_LineItem::entityTables</callback>
+    </pseudoconstant>
+    <comment>May contain civicrm_contribution, civicrm_participant or civicrm_membership</comment>
     <add>1.7</add>
   </field>
   <field>
@@ -225,4 +228,3 @@
    </html>
   </field>
 </table>
-