The ADA also prohibits the government from receiving gratuitous services without explicit statutory authority.

Otherwise I assure you that these Elders would not receive unreimbursed and gratuitous services from the Heptite Guild."

King Edward IV of England of the House of York, later granted honours to the Curwen family, in acknowledgement of "great and gratuitous service".

We have seen that the difficulty of obtaining the gratuitous services of suitable persons to act as trustees has necessarily led to the practice of reposing an ever wider range of discretion in those who can only thus be persuaded to act.