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www.icann.org/en/groups/other/gtld-directory-services/status-update-11nov13-en.pdf p.22-30
For Syntactic Validation, Operational Validation and Identity Validation, see SAC058 = SSAC Report on Domain Name Registration Data Validation:
www.icann.org/en/system/files/files/sac-058-en.pdf
1. Syntactic Validation refers to the assessment of data with the intent to ensure that they satisfy specified syntactic constraints, conform to specified data standards, and are transformed and formatted properly for their intended use. For example, if the data element is expected to be an email address is it formatted as an email address? In general, it is expected that syntactic validation checks would be entirely automated and could be executed inline with a registration process, follow up information reviews, and whenever registration data changes.
2. Operational Validation refers to the assessment of data for their intended use in their routine functions. Examples of operational validation include 1) checking that an email address or phone number can receive email or phone calls; 2) checking that a postal address can receive postal mail; 3) checking that the data entered are self-consistent, i.e. that all data are logically consistent with all other data. It is expected that many operational validation checks would be automated and some could be executed inline with a registration process.
3. Identity validation refers to the assessment that the data corresponds to the real world identity of the entity. It involves checking that a data item correctly represents the real world identity for the registrant. In general, identity validation checks are expected to require some manual intervention.
