||This category is available to all persons. A foreign applicant must appoint and duly authorise a local agent as its administrative contact. The administrative contact must furnish a valid Singapore postal address for SGNIC's records.
||Commercial entities may wish to register in this extension. Applicants registering for a .com.sg will need to be either registered, or in the midst of registering, with the Accounting & Corporate Regulatory Authority (ACRA), IE Singapore or any professional body in Singapore. A foreign company may apply for a .com.sg domain name if it appoints a local agent as the administrative contact. The administrative contact must furnish a valid Singapore postal address for SGNIC's records.
||Names under .org.sg are only available to organisations which are either registered, or in the midst of registering, with the Registry of Societies (ROS). Also eligible are town councils, community centres, places of worship or embassies. Other organisations not registrable under the Societies Act, Companies Act or with professional bodies could also apply under this extension.
||Only educational institutions may apply under this category. Applicants must be registered with (i) the Ministry of Education (MOE) in Singapore, (ii) the Ministry of Social and Family Development, (iii) under the Private Education Act, or (iv) is otherwise authorised by law or the Government to provide educational services in Singapore. Applicants not so registered will need to be entities providing courses/training that either lead to certifications or qualifications that are recognised by a government authority or institution in Singapore, or whose courses/training receive funding/support/endorsement from a relevant government authority in Singapore.
||Only government organisations are eligible to apply under this category. Applicants for domain names under this category must be members of the Singapore Government. Government bodies which register in this category may also wish to register domain names that reflect their identities, or the services and schemes they provide, in the other domain name categories.
||Applicants for names under this category must be (i) Infocomm Media Development Authority licensees (SBO individual licensees, FBO licence or other licenses providing connectivity or value-added network services), or (ii) providers offering network-based data hosting services such as email hosting. DNS hosting, web hosting and data centres may also apply in this category. Any applied name in this category must be reflective of and substantially linked to the Applicant's principle business and/or company name. Any use of the applied name must be for the main purpose of conducting the Applicant's said business.
||This category is for the registration of personal domain names. Only Singapore citizens and permanent residents above 18 years old may apply.
||This category is the Chinese language equivalent of the .sg category. The same eligibility criteria applies.
||This category is the Tamil language equivalent of the .sg category. The same eligibility criteria applies.