# Appendix H – Registration Schemes The following Registration Schemes are currently recognized as valid under these guidelines: - **NTR**: The information carried in this field shall be the same as held in Subject Registration Number Field as specified in [Section 7.1.4.2.5](#71425-subject-registration-number-field) and the country code used in the Registration Scheme identifier shall match that of the subject's jurisdiction as specified in [Section 7.1.4.2.4](#71424-subject-jurisdiction-of-incorporation-or-registration-field). Where the Subject Jurisdiction of Incorporation or Registration Field in 9.2.4 includes more than the country code, the additional locality information shall be included as specified in [Section 7.1.4.2.8](#71428-subject-organization-identifier-field) and/or [Section 7.1.2.2](#7122-cabrowser-forum-organization-identifier-extension). - **VAT**: Reference allocated by the national tax authorities to a Legal Entity. This information shall be validated using information provided by the national tax authority against the organization as identified by the Subject Organization Name Field (see [Section 7.1.4.2.1](#71421-subject-organization-name-field)) and Subject Registration Number Field (see [Section 7.1.4.2.5](#71425-subject-registration-number-field)) within the context of the subject's jurisdiction as specified in [Section 7.1.4.2.4](#71424-subject-jurisdiction-of-incorporation-or-registration-field). For the purpose of identifying tax authorities, the country prefix described in article 215 of EU Council Directive 2006/112/EC, as amended, MAY be used instead of the ISO 3166 2-letter country codes. - **PSD**: Authorization number as specified in ETSI TS 119 495 clause 4.4 allocated to a payment service provider and containing the information as specified in ETSI TS 119 495 clause 5.2.1. This information SHALL be obtained directly from the national competent authority register for payment services or from an information source approved by a government agency, regulatory body, or legislation for this purpose. This information SHALL be validated by being matched directly or indirectly (for example, by matching a globally unique registration number) against the organization as identified by the Subject Organization Name Field (see [Section 7.1.4.2.1](#71421-subject-organization-name-field)) and Subject Registration Number Field (see [Section 7.1.4.2.5](#71425-subject-registration-number-field)) within the context of the subject's jurisdiction as specified in [Section 7.1.4.2.4](#71424-subject-jurisdiction-of-incorporation-or-registration-field). The stated address of the organization combined with the organization name SHALL NOT be the only information used to disambiguate the organization.