The country's own registry
- Law Ley 20.594 (2012) added a special section to the Registro General de Condenas for court-imposed bans on working in education or in direct, regular contact with minors (Decreto Ley 645, art. 1, as amended).
Source: Ley 20.594, crea inhabilidades para condenados por delitos sexuales contra menores y establece registro de dichas inhabilidades (LeyChile XML) - Law Anyone who identifies themselves may ask whether a person is subject to such a ban, in order to hire them for work with minors or a similar purpose. Institutions must check before hiring for such work. The Registro Civil says only whether a ban applies. Misuse of the information is fined 2 to 10 UTM (Decreto Ley 645, art. 6 bis, as amended).
Source: Ley 20.594, crea inhabilidades para condenados por delitos sexuales contra menores y establece registro de dichas inhabilidades (LeyChile XML) - Policy The Registro Civil runs the check online. It asks for the RUN (Chilean national ID number) and full name of both the person asking and the person checked, and the asker must accept that the check is for hiring someone to work with minors.
Source: Servicio de Registro Civil e Identificación: Consulta inhabilidades para trabajar con menores de edad
Recheck: The Registro Civil service page sits behind a CAPTCHA; only the consultation form itself was read. - Law A person convicted of rape or another listed sexual offence against a minor must also be sentenced to a lifetime ban from work in education or in direct, regular contact with minors (Código Penal art. 372).
Source: Código Penal (Chile), current text (Biblioteca del Congreso Nacional, LeyChile XML)