1) Universal Postal Convention; 2) Agreement concerning Insured Letters and Boxes; 3) Agreement concerning Postal Parcels; 4) Agreement concerning Postal Money Orders and Postal Traveller's Cheques; 5) Agreement concerning Transfers to and from Postal Cheque Accounts, and Supplements; 6) Agreement concerning Cash-on-Delivery Items; 7) Agreement concerning the Collection of Bills, Drafts, etc.; 8) Agreement concerning Subscriptions to Newspapers and Periodicals