To ensure that the latest requirements are implemented on all new vehicles at a certain point in time, it is important that regulatory acts listed in Annex II include not only a date for the application of new requirements to new type-approvals, but also a date as of which new requirements become mandatory for the making available on the market, registration or entry into service of vehicles, systems, components or separate technical units.
Chun a áirithiú go gcuirtear na ceanglais is déanaí chun feidhme ar gach feithicil nua ag pointe áirithe ama, tá sé tábhachtach go n-áireofaí ar na gníomhartha rialála a liostaítear in Iarscríbhinn II, ní hamháin dáta chun ceanglais nua a chur i bhfeidhm maidir le cineálcheaduithe nua, ach dáta óna mbeidh ceanglais nua éigeantach chun na feithiclí, na córais, na comhpháirteanna nó na haonaid theicniúla ar leithligh a chur ar fáil ar an margadh, a chlárú nó a chur i seirbhís.