Index: branches/RC/core/units/custom_fields/custom_fields_config.php
===================================================================
diff -u -N -r11538 -r11600
--- branches/RC/core/units/custom_fields/custom_fields_config.php	(.../custom_fields_config.php)	(revision 11538)
+++ branches/RC/core/units/custom_fields/custom_fields_config.php	(.../custom_fields_config.php)	(revision 11600)
@@ -86,7 +86,9 @@
 										            'DefaultValue' => Array ('type' => 'string', 'max_len' => 255, 'not_null' => 1, 'default' => ''),
 										            'DisplayOrder' => Array('type' => 'int', 'not_null' => 1, 'default' => 0),
 										            'OnGeneralTab' => Array('type' => 'int', 'not_null' => 1, 'default' => 0),
-										            'IsSystem' => Array('type' => 'int', 'formatter' => 'kOptionsFormatter', 'options' => Array(0 => 'la_No', 1 => 'la_Yes'), 'use_phrases' => 1, 'not_null' => 1, 'default' => 0),											),
+										            'IsSystem' => Array('type' => 'int', 'formatter' => 'kOptionsFormatter', 'options' => Array(0 => 'la_No', 1 => 'la_Yes'), 'use_phrases' => 1, 'not_null' => 1, 'default' => 0),
+										            'IsRequired' => Array ('type' => 'int', 'formatter' => 'kOptionsFormatter', 'options' => Array (1 => 'la_Yes', 0 => 'la_No'), 'use_phrases' => 1, 'not_null' => 1, 'default' => 0),
+										           ),
 					'VirtualFields'	=> 	Array(
 													'Value'			=>	Array('type' => 'string', 'default' => ''),
 													'OriginalValue'	=>	Array('type' => 'string', 'default' => ''),