Medical examination
20. The Department may require any person entitled, or claiming to be entitled, to an allowance under Part II, or under Part III on the grounds that he is incapable by reason of permanent ill-health or infirmity of mind or body of earning his own living, to submit to a medical examination by a registered medical practitioner selected by the Department, and in that event the Department shall also offer the person an opportunity of submitting a report from his own medical adviser as a result of an examination by him, and the Department shall take that report into consideration together with the report of the medical practitioner selected by the Department.