(a) Orthography.
(b) Copying.
(c) Penmanship.
(d) Arithmetic—fundamental rules, fractions, and percentage.
(e) Letter writing.
(f) The geography of the United States, and especially of the State or railway mail division in which the applicant resides.
(g) The railway systems of the State or railway mail division in which the applicant resides.
(h) Reading addresses.
Other competitive examinations.—Such other competitive examinations as the Commission may from time to time deem necessary.
Noncompetitive examinations.—Such examinations may, with the approval of the Commission, be held under conditions stated in General Rule III, clause 2.