Personal attendance of a person claiming permanent disablement benefit or dependants benefit.--- In the case of claimant for permanent disablement benefit or dependants benefit, the appropriate Branch Manager may require personal attendance and due identification of any claimant, other than a person incapacitated by bodily illness or infirmity or a purdanashin lady at the appropriate Branch Office or at any other office of the Corporation provided that such appearance shall not be required more frequently than once every year.