https://www.slab.org.uk/guidance/civil-advice-and-representation-steps-which-can-and-cannot-be-taken-before-a-court-or-tribunal/
Advice and assistance does not cover representation before a court or tribunal or in connection with a statutory inquiry, except where specific provision for ABWOR has been made by regulation. If ABWOR is not available, you cannot undertake any step in proceedings (except to negotiate a settlement in civil proceedings). However, in civil proceedings before a court or tribunal a grant of advice and assistance lets you:
For example, when providing advice and assistance (as distinct from ABWOR) you cannot: