28.—(1) Where one of two or more executors is a minor, probate may be granted to the other executor or executors not under disability, with power reserved of making the like grant to the minor on his attaining the age of eighteen years, and administration for the use and benefit of the minor until he attains the age of eighteen years and applies for and obtains a grant may be granted under rule 27 if and only if the executors who are not under disability renounce or, on being cited to accept or refuse a grant, fail to make an effective application therefor.
(2) A minor executor's right to probate on attaining the age of eighteen years may not be renounced by any person on his behalf.