Official certificates shall be signed by the certifying officer and issued only on the basis of point (a) of paragraph 3 of this Article when rules referred to in Article 1(2) so require.
Síneoidh an t-oifigeach deimhniúcháin na deimhnithe oifigiúla agus ní eiseofar iad ach ar bhonn phointe (a) de mhír 3 den Airteagal seo i gcás ina gceanglaíonn na rialacha dá dtagraítear in Airteagal 1(2) é.