4. In section 105 (delay, obstruction etc. of inspector)—
(a)in subsection (3), for “section 104(5)” there shall be substituted “an authorisation granted under section 103A or 104A”; and
(b)in subsection (4)—
(i)for “section 104(5) above any power conferred by section 104 above” there shall be substituted “an authorisation granted under section 103A or 104A above, any power conferred by section 103B or 103C above”; and
(ii)for the words “section 104”, where they occur at the end of the subsection, there shall be substituted “sections 103B and 103C”.