The ccTLD utilizes the International Standard Organization (ISO) two letter standard for country codes.59 The Internet Assigned Names and Numbers (ICANN) Corporation recognizes government responsibility for their ccTLD.60 This was not the case in the early days of the Internet when an assortment of groups had control over a number of LDC ccTLDs. The registry either processes registration requests for ccTLD names itself ("2R" model: registry and registrant) or outsources the task to registrars ("3R" model: registry-registrars-registrants). The registry defines the policy for 2nd level domains (e.g., .co, .go, etc.)