# 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).
* **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.