Manylion am y math o ddogfen lywodraethu sydd gan yr elusen a phan y'i sefydlwyd. Nid dyma destun llawn dogfen lywodraethu'r elusen.
CONVEYANCE DATED 16 FEB 1905
AS AMENDED BY SCHEME DATED 06 JAN 1987
Gwrthrychau elusennol
THE MAINTENANCE AND UPKEEP OF THE NAPIER HALL AND OF THE PARISH CHURCH OF ST STEPHEN WITH ST JOHN WESTMINSTER AND SUBJECT THERETO IN FURTHERING THE RELIGIOUS AND OTHER CHARITABLE WORK OF THE CHURCH OF ENGLAND IN THE SAID PARISH
