https://www.slab.org.uk/faqs/delegating-the-court-attendance-in-a-custody-case/
Granting ABWOR on an appointed solicitor basis and delegating the case to someone else.
Question: If the solicitor knows that s/he is going to be unable to act, for example due to going on holiday or other court appearances, is it OK for them to make the grant of ABWOR?
Answer: Yes. Appointed solicitor ABWOR can be granted here now.
Relevant legal aid guidance: Definition of “appointed solicitor” and principal criteria for acting