A person is not qualified to be the auditor or one of the auditors of a trade union unless he is eligible for appointment as a statutory auditor under Part 42 of the Companies Act 2006.
Two or more persons who are not so qualified may act as auditors of a trade union in respect of an accounting period if—
Where by virtue of subsection (2) persons who are not qualified as mentioned in subsection (1) act as auditors of a trade union in respect of an accounting period, the Certification Officer may (during that period or after it comes to an end) direct the union to appoint a person who is so qualified to audit its accounts for that period.
The Secretary of State may by regulations—
Any such regulations shall be made by statutory instrument which shall be subject to annulment in pursuance of a resolution of either House of Parliament.
None of the following shall act as auditor of a trade union—
. . .