Trustees in Bankruptcy Have Extensive Powers, but They Cannot Request

Trustees in bankruptcy have extensive powers, but they cannot request the official receiver to:

A) Personally release the bankrupt from particular debts where not to do so would be harsh and oppressive to the bankrupt.
B) Summons a person to produce documents relating to the bankrupts affairs.
C) Summons a person to give evidence relating to the bankrupt.
D) Issue a search warrant providing access to premises and books relevant to the bankruptcy.