Subject to the provisions and requirements of this part, appropriate administrative regulations shall be drafted by each executive department or agency of the Government which maintains and administers educational institutions and schools coming within the scope of the legislation. Such regulations shall carefully observe the limitations imposed by the Act of June 24, 1938, and shall in each case include:

(a) A list of the institutions and courses in the department or agency concerned in which instruction is available under the terms of the legislation.

(b) A statement of the maximum number of students of the other American republics who may be accommodated in each such institution or course at any one time.

(c) A statement of the qualifications to be required of students of the other American republics for admission, including examinations, if any, to be passed.

(d) Provisions to safeguard information that may be vital to the national defense or other interests of the United States.

Applications for citizens of the other American republics to receive the instruction contemplated by the Act of June 24, 1938, shall be made formally through diplomatic channels to the Secretary of State of the Department of State by the foreign governments concerned.

The Secretary of State of the Department of State shall refer the applications to the proper department or agency of the Government for advice as to what reply should be made to the application.

In order to enable the Secretary of State of the Department of State to reply to inquiries received from the governments of the other American republics, the Department of State shall be promptly supplied with copies of the regulations drafted by the other departments and agencies of the Government and of subsequent amendments thereto.

Upon receipt of a reply from another department or agency of the Government, as contemplated by § 517.3, in which it is recommended that an application be granted, the Secretary of State of the Department of State shall notify the government of the American republic concerned, through diplomatic channels, that permission to receive the instruction requested in the application is granted, provided the applicant complies with the terms of this part and with the terms of the administrative regulations of the department or agency concerned.