(1) An authority must not proceed for a purpose mentioned in section 109A(2)(a)(authorisations for investigators) of the Act unless the authorisation concerns one or more of the benefits listed in paragraph (5) .
(2) An authority must not proceed for a purpose mentioned in section 109A(2)(c) of the Act unless the authorisation concerns relevant social security legislation relating to one or more of the benefits listed in paragraph (5) .
(3) An authority must not proceed for a purpose mentioned in section 109A(2)(d) of the Act unless the authorisation concerns a benefit offence relating to one or more of the benefits listed in paragraph (5) .
(4) An authorisation made for a purpose mentioned in section 109A(2)(a), (c) or (d) of the Act has effect in relation to a particular case only if in relation to that case an authorised officer has commenced an investigation for a purpose mentioned in section 110A(2) of that Act.
(5) The benefits are—
(a) income support;
(b) a jobseeker’s allowance;
(c) incapacity benefit;
(d) state pension credit;
(e) an employment and support allowance.