Under such rules and regulations as may be prescribed by the President, funds available to carry out the provisions of this title [sections
451 to
471a of this Appendix] shall also be available for the payment of actual and reasonable expenses of emergency medical care, including hospitalization, of registrants who suffer illness or injury, and the transportation and burial of the remains of registrants who suffer death, while acting under orders issued under the provisions of this title [said sections], but such burial expenses shall not exceed the maximum that the Secretary of Veterans Affairs may pay under the provisions of section
2302
(a) of title
38, United States Code, in any one case.