In accordance with Annex IV, the approval authority shall take the necessary measures to carry out such checks or tests with the frequency set out in the regulatory acts listed in Annex II, or, if no frequency is specified in those acts, at least once every three years.
I gcomhréir le hIarscríbhinn IV, déanfaidh an t-údarás ceadaithe na bearta is gá chun na seiceálacha nó na tástálacha sin a dhéanamh chomh minic sin agus a leagtar amach sna gníomhartha rialála a liostaítear in Iarscríbhinn II, nó, mura sonraítear an mhinicíocht sna gníomhartha sin, ar a laghad uair amháin gach trí bliana.