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 12 APRIL 1978 AND AS AMENDED ON 27 NOV 1996
Gwrthrychau elusennol
THE STUDY, PRACTICE AND PERFORMANCE OF ORCHESTRAL MUSIC, IN ORDER TO FOSTER PUBLIC KNOWLEDGE AND APPRECIATION OF SUCH MUSIC BY MEANS OF PUBLIC PERFORMANCE
Maes buddion
Y maes y gall yr elusen weithredu ynddo, fel y nodir yn ei dogfen lywodraethu.
