SOCIAL POLICY - APPROXIMATION OF LAWS - TRANSFERS OF UNDERTAKINGS - SAFEGUARDING OF EMPLOYEES ' RIGHTS - DIRECTIVE NO 77/187 - SCOPE - TRANSFER OF AN UNDERTAKING IN LIQUIDATION - EXCLUDED - TRANSFER OF AN UNDERTAKING IN THE COURSE OF A PROCEDURE IN WHICH THE COURT GRANTS LEAVE TO SUSPEND THE PAYMENT OF DEBTS - INCLUDED ( COUNCIL DIRECTIVE NO 77/187 , ART . 1 ( 1 ))