Second class (newspapers and periodicals), when mailed by publishers, ₱0.02 per pound or fraction; when mailed by others, ₱0.02 for each four ounces or fraction; no limit of weight.

Third class (printed matter), ₱0.02 for each two ounces or fraction, except single books weighing more than that amount; limit of weight, four pounds.

Fourth class (merchandise), ₱0.02 per ounce or fraction; limit of weight, four pounds, except single blank books.

(b) Rates on Mail addressed for delivery in the United States (including Hawaii and Porto Rico), Guam, Tutuila, the Canal Zone, the Shanghai Postal Agency, Canada, Cuba, Mexico, and Panama:

First class, ₱0.04 for each ounce or fraction; weight limit, four pounds.

Second, third, and fourth classes same as (a) above.

(c) Rates on mail addressed for delivery in all other countries: Letters, ₱0.10 for each half ounce or fraction; no limit of weight; post cards, ₱0.04 each.

Printed matter (within certain limits of size), ₱0.02 for each two ounces or fraction; limit of weight, four pounds six ounces.

Samples of merchandise (within certain limits of size), ₱0.04 for first four ounces or less; and ₱0.02 for each additional two ounces or fraction; limit of weight twelve ounces.

(d) Rates on mail specially addressed via the Trans-Siberian Railway; letters, ₱0.20 for each half ounce or fraction; post cards, ₱0.08 each.