(a) establishment of a plan or a programme in accordance with Article 21 for the zone or agglomeration to which the postponement would apply, and communication of that plan or programme to the Commission;
a) zonai vai aglomerācijai, uz kuru attieksies termiņa atlikšana, ir izstrādāts plāns vai programma saskaņā ar 21. pantu, un šis plāns vai programma ir paziņota Komisijai;