t3lib_div::loadTCA('tx_irretutorial_1ncsv_hotel');
t3lib_div::loadTCA('tx_irretutorial_1nff_hotel');
t3lib_div::loadTCA('tx_irretutorial_mnasym_hotel');
t3lib_div::loadTCA('tx_irretutorial_mnattr_hotel');
t3lib_div::loadTCA('tx_irretutorial_mnmmasym_hotel');
t3lib_div::loadTCA('tx_irretutorial_mnsym_hotel');

$GLOBALS['TCA']['tx_irretutorial_1ncsv_hotel']['columns']['offers']['config']['appearance']['newRecordPosition'] = 'top';
$GLOBALS['TCA']['tx_irretutorial_1nff_hotel']['columns']['offers']['config']['appearance']['newRecordPosition'] = 'top';
$GLOBALS['TCA']['tx_irretutorial_mnasym_hotel']['columns']['offers']['config']['appearance']['newRecordPosition'] = 'top';
$GLOBALS['TCA']['tx_irretutorial_mnattr_hotel']['columns']['offers']['config']['appearance']['newRecordPosition'] = 'top';
$GLOBALS['TCA']['tx_irretutorial_mnmmasym_hotel']['columns']['offers']['config']['appearance']['newRecordPosition'] = 'top';
$GLOBALS['TCA']['tx_irretutorial_mnsym_hotel']['columns']['branches']['config']['appearance']['newRecordPosition'] = 'top';

#If you want to check one level deeper, you can add something like this:
#$GLOBALS['TCA']['tx_irretutorial_1ncsv_offer']['columns']['prices']['config']['appearance']['newRecordPosition'] = 'top';