La Marmora was appointed royal commissioner to supervise the transformation to the new regime.
Their business was to supervise daily life, to warn the disorderly, and to give notice to the consistory of cases requiring discipline.
The commissioners supervise the penal and charitable institutions, schools, roads, bridges and finances of the county.
In 1782 he was reappointed to supervise the affairs of the Methodist congregations in America.
As an administrator Philip had all the vices of his type, that of the laborious, self-righteous man, who thinks he can supervise everything, is capable of endless toil, and jealous of his authority, and who therefore will let none of his servants act without his instructions.