9. Section 73 of the Principal Act is amended—
(a) by omitting from paragraph (2) (l) “or” (last occurring); and
(b) by inserting after paragraph (2) (m) the following paragraphs:
“(ma) granting or renewing a licence under section 31 for a period of less than 5 years; or
(mb) registering, or renewing the registration of, any irradiating apparatus for a period of less than 5 years”.