An LME undertaking may include a prohibition, restriction or requirement (each a "measure") if, and only if—
A measure falls within this subsection if it is for the purpose of—
A measure falls within this subsection if it is prescribed, or is of a description prescribed, in regulations made by the Secretary of State.
The enforcing authority must not—
unless the authority believes that at least one measure in the undertaking is necessary for the purpose mentioned in subsection (5).
That purpose is preventing or reducing the risk of the subject—
An LME undertaking must set out how each measure included for the purpose mentioned in subsection (2)(a) is expected to achieve that purpose.
In this section, the "relevant enactment" means the enactment under which the enforcing authority believes the trigger offence concerned has been or is being committed.