It is a defence to a charge for an offence against sections 25 to 28 that all the following conditions applied:
the specified organisation considered that an emergency had occurred, or unexpected conditions had arisen, that increased the risks to any children to whom it provides regulated services:
in order to reduce the risks to those children, the organisation employed or engaged additional children’s workers:
any of those children’s workers who were not safety checked were employed or engaged by the specified organisation for no more than 5 consecutive working days.