The Student Identifiers Registrar is a Commonwealth statutory officer established by the Student Identifiers Act 2014 and is responsible for administering the USI initiative nationally. The Registrar is appointed by the Commonwealth Skills Minister in consultation with the ministers responsible for skills in states and territories. Janette Dines is the current Student Identifiers Registrar.

The Office of the Student Identifiers Registrar located in the Commonwealth Department of Education, Skills and Employment assists the Registrar. The Office of the Student Identifiers Registrar manages the USI Registry System and the USI Contact Centre.