You can apply to thet City of Amsterdam for a certificate of conduct (VOG) for your employee or volunteer.
Print the application form from the Justis, the Ministry of Justice and Security’s screening authority and fill it in together with your employer. Hand in the form at a City Office. You must also take proof of identity with you, such as your passport or driving licence.
The employee or volunteer will receive the VOG or the denial within 4 weeks at the address you specify in the application.