What are “user authentication services” for purposes of the general license in [31 CFR § 560.540](https://www.ecfr.gov/current/title-31/subtitle-B/chapter-V/part-560) of the Iranian Transactions and Sanctions Regulations (ITSR)?

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User authentication services are services used to login or verify the identity of a user to a particular software or service, such as a user identification account often used to login to email, mobile app stores, or other activities authorized by [31 CFR § 560.540](https://www.ecfr.gov/current/title-31/subtitle-B/chapter-V/part-560).

What are “user authentication services” for purposes of the general license in [31 CFR § 560.540](https://www.ecfr.gov/current/title-31/subtitle-B/chapter-V/part-560) of the Iranian Transactions and Sanctions Regulations (ITSR)?

OFAC's answer