(a) The Secretary may establish one or more of the following priorities for the allocation of fellowships:

(1) Specific world areas, or countries, such as East Asia or Mexico.

(2) Languages, such as Chinese.

(3) Levels of language offerings.

(4) Academic disciplines, such as linguistics or sociology.

(5) Professional studies, such as business, law, or education;

(6) Particular subjects, such as population growth and planning, or international trade and business.

(7) A combination of any of these categories.

(b) The Secretary announces any priorities in the application notice published in the Federal Register.