The PolicyQualifierType enumeration type specifies the type of qualifier applied to a certificate policy. This enumeration is used by the InitializeEncode method and the Type property on the IPolicyQualifier interface.
The qualifier is a URL that points to a Certification Practice Statement (CPS) that has been defined by the certification authority to outline the policies under which the certificate was issued and the purposes for which the certificate can be used.
PolicyQualifierTypeUserNotice
The qualifier is a text statement to be displayed by the application to any user who relies on the certificate. The user notice identifies the permitted uses of the certificate.