Section 13
SEC. 13. Upon request of the Board, the physicians of the Bureau of Health and the local health officers who are physicians, shall make a medical examination of the applicants for pension who claim to be physically or mentally incapacitated to pursue normally their ordinary occupation, work, or employment, and shall certify to the Board the result of said examination. Upon request of the Board, they shall also make, from time to time, a medical examination of the pensioners thus incapacitated, in order to inform the Board whether or not the incapacity of the same has been removed. The said medical officers shall not charge any fees for the service, but they shall be entitled to the refund, chargeable to the funds of the Board, of actual traveling expenses and subsistence incurred by them in performing such service.