Manylion am y math o ddogfen lywodraethu sydd gan yr elusen a phan y'i sefydlwyd. Nid dyma destun llawn dogfen lywodraethu'r elusen.
CONSTITUTION ADOPTED 21 JUL 1975
AS AMENDED ON 29 JAN 2018
Gwrthrychau elusennol
THE ADVANCEMENT OF THE ART OF OPERETTAS, OPERA, DRAMA, COMEDIES, AND OTHER OPERATIC AND DRAMATIC WORKS OF EDUCATIONAL VALUE FOR THE PUBLIC BENEFIT BY ORGANISING AND MAINTAINING A PROGRAMME OF CONCERTS/RECITALS/PERFORMANCES.
