http://www.legislation.gov.uk/id/uksi/2011/1349

PART 4Amendments to the ESA Regulations

Substitution of regulation 61 of the ESA Regulations (failure to take part in a work-focused interview)15

For regulation 61(3) of the ESA Regulations (failure to take part in a work-focused interview), substitute—

3
In deciding whether a person has shown good cause for the failure, the Secretary of State must take account of all the circumstances of the case including in particular the person's physical or mental health or condition.