41.—Section 151 of the Principal Act (which relates to the effect of appointment to a corps and provision for transfers) shall be and is hereby amended as follows:—
(a) In paragraph (1) the words “of the same arm or branch of the service” shall be deleted.
(b) In paragraph (3) the words “in an arm or branch” and the words “in the arm or branch” shall be deleted and the words “in the corps” substituted for the words “in the arm or branch.”