Regional Cooperation for Development
The Regional Cooperation for Development (RCD) or Organization for Regional Cooperation and Development (ORCD) was a multi-governmental organization originally established on July 21, 1964 by Iran, Pakistan and Turkey, regional members of the Central Treaty Organization (CENTO), to promote regional economic cooperation and socioeconomic development. Its headquarters were in Tehran, the capital of Iran.
Source: Wikipedia — Regional Cooperation for Development (CC BY-SA 4.0)