sub-paragraph (2) of paragraph 12 of this Schedule, a person’s mother or father, who had not at that time attained the age of sixteen years, purported to apply under section 20(3)(a) of that Act to re-register the person’s birth, the mother, or as the case may be the father, shall be presumed to have had legal capacity to make the application; or

sub-paragraph (3)(c) of that paragraph, a person who had not at that time attained the age of sixteen years purported to make an application under any provision of section 43 of that Act (“making an application” including for the purposes of this sub-paragraph, without prejudice to the generality of that expression, signing and delivering a certificate in accordance with subsection (3) of that section) the person shall be presumed to have had legal capacity to make the application.