6. In section 70 of the 1958 Act (postponement of limitation period in case of fraud, concealment or mistake)—
(a)in subsection (1), for the words “subsection (3)” there shall be substituted the words “subsections (3) and (4A)”; and
(b)after subsection (4) there shall be inserted the following subsection—
“(4A) Subsection (1) shall not apply in relation to the time limit prescribed by section 9AA(3) or in relation to that time limit as applied by virtue of section 9B(2).”.