‘price reference period’ means the period to which the price of the comparison period is compared; for monthly indices, the price reference period is December of the previous year, and for quarterly indices, the price reference period is the fourth quarter of the previous year;
ciallaíonn “tréimhse tagartha na bpraghsanna” an tréimhse lena gcuirtear praghas na tréimhse comparáide i gcomparáid; i gcás innéacsanna míosúla, is í mí na Nollag na bliana roimhe sin tréimhse tagartha na bpraghsanna, agus i gcás innéacsanna ráithiúla, is í an ceathrú ráithe den bhliain roimhe sin tréimhse tagartha na bpraghsanna;