28. 8. 90 Official Journal of the European Communities No L 233/19 (Acts whose publication is not obligatory) COMMISSION COMMISSION DECISION of 1" August. 1950 concerning the provision in Spain of international express courier services (Only the Spanish text is authentic) (90/456/EEC) THE COMMISSION OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, and in particular Article 90 (1). and (3) thereof, Having provided the Spanish authorities with the oppor- tunity to make known their views on the objections raised by the Commission in regard to Articles 10 to 13 of the Ordenanza Postal of 19 May 1960 and Articles 19 to 22 of the Regulation on postal services (Reglamento de los Servicios de Correos) of 14 May 1964 which regulate the postal monopoly in- Spain, WHEREAS : 1. THE FACTS The measure in question _ (1)  Pursuant to Articles 10 to 13 of the Ordenanza Postal adopted by Decree No 1113/1960 of 19 May 1960 (*) and Articles 19 to 22 of the Regulation on postal services adopted by Decree No 1653/1964 of 14 May 1964 (%), as amended :by the Ministerial Decree of 12 July 1966 (}, Spain prohibits all . undertakings other than the Post  Office from () BOE, 15. 6. 1960. () BOE, 9. 6. 1964. () BOE, 23. 7. 1966. collecting, transporting or distributing letters (*) — a letter being any written document of a personal and immediate nature, including commercial, legal or administrative documents — from one place to another weighing less than two kilograms, as well as post-cards. The prohibition prevents private courier: services from providing an international express courier service for written or other documents defined-or regarded as -letters as- this service is exclusively reserved for the Post Office. The. service covered by the Decision ()  The basic postal service and express postal services comprise two different markets. As they are markets for services and not products, it is not possible to distinguish between them solely on the basis of the type of object transported. The essential difference lies in the value added by the providers to the transport of the goods concerned. The basic postal service consists in collecting mail from post boxes and post offices throughout the country which is sorted centrally and then deli- vered at regular times to the addressees. The express mail service' can be regarded as- forming part of the basic postal service. In Spain, express mail is governed by Article 335 of the Regulation () Article 158 of the Regulation on postal services fixes the max- imum weight of letters at two kilograms, and Article 164 of the same Regulation, annexed to this Decision, defines what constitutes a letter.