What is the Common Reporting Standard (CRS)?
It is a multilateral reporting system under which financial institutions are required to submit to the tax authority of the country in which they are located information on account holders who are tax residents of another country that applies the CRS.
For more information about the CRS please refer here: Common Reporting Standard (CRS).
For natural persons, that have tax residency other than the country of the account: Individual Certificate Form
For entities that have tax obligations additional to the country of the account: Entity Tax Residency Self-Certification Form
For controlling persons, that have tax residency other than the country of the account: Controlling Person Tax Residency Self-Certification Form9