The harmonised indices and their sub-indices shall be rescaled to a new common index reference period in the case of a major methodological change of the harmonised indices which is adopted in accordance with this Regulation, or every 10 years after the last rescaling starting from 2015.
Déanfar na hinnéacsanna comhchuibhithe agus a bhfo-innéacsanna a athscálú le tréimhse tagartha choiteann innéacs nua i gcás ina ndéantar athrú mór ar an modheolaíocht le haghaidh na n-innéacsanna comhchuibhithe a ghlacfar i gcomhréir leis an Rialachán seo, nó gach 10 mbliana tar éis an athscálaithe dheireanaigh ó 2015 ar aghaidh.