The competent authority of the Member State of destination shall ensure that breeding poultry and productive poultry which have been hatched from hatching eggs that have entered into the Union from a third country or territory or zone thereof undergo a clinical examination carried out by an official veterinarian on the establishment of destination no later than the date of expiry of the relevant periods as provided for Article 112(2), and, where necessary, shall be sampled for testing to monitor their state of health.