Prerogative office

the office in which wills proved in the Prerogative Court were registered.
- Blackstone.

See also: Prerogative

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
Taking that part of the Commons which happened to be nearest to us - for our man was unmarried by this time, and we were out of Court, and strolling past the Prerogative Office - I submitted that I thought the Prerogative Office rather a queerly managed institution.
Therefore, I note here, though it may not be at all necessary, that there are hundreds of Will Cases (as they are called), far more remarkable than that fancied in this book; and that the stores of the Prerogative Office teem with instances of testators who have made, changed, contradicted, hidden, forgotten, left cancelled, and left uncancelled, each many more wills than were ever made by the elder Mr Harmon of Harmony Jail.
The maxim that out of evil cometh good, is strongly illustrated by these establishments at home; as the records of the Prerogative Office in Doctors' Commons can abundantly prove.