1) Universal Postal Convention 2) Agreement concerning insured letters and boxes 3) Agreement concerning postal parcels 4) Agreement concerning postal money orders and postal travellers' cheques 5) Agreement concerning transfers to and from postal cheque accounts 6) Agreement concerning cash-on-delivery items 7) Agreement concerning the collection of bills, drafts, etc. 8) Agreement concerning the international savings bank service 9) Agreement concerning subscriptions to newspapers and periodicals