# OB-OBS-004 — Requiring additional registrations

> The ASPSP may not require additional registrations from TPPs to access the account or the dedicated interface.

- Article: PSR 44(1)(d)
- Who is bound: ASPSP
- Who it is for: API, Compliance
- Application: 21 months after entry into force, the general application date (Article 112).
- Level 2: No EBA mandate covers this obligation.
- Origin: RTS 2018/389, Art. 32(3); EBA Opinion of 4 June 2020 on obstacles

Provisional numbering of the April 2026 compromise (Council doc. 8221/26). The final numbering will be added when the Official Journal publishes the text, without changing the id.

## STET 1.6.3: To review

STET provides for an OAuth2 technical setup with each bank when the bank cannot accept the TPP on the fly, possibly automated through the Registration API. The text does not say whether that setup counts as an additional registration.

- <https://openfinanceguide.com/en/stet/1.6.3/framework/3-prerequisites-and-technical-details>
- <https://openfinanceguide.com/en/stet/1.6.3/endpoints/registration/registration-post>

## Sources

- [Council doc. 8221/26, page 262](https://data.consilium.europa.eu/doc/document/ST-8221-2026-INIT/en/pdf#page=262)

Checked on 2026-10-04. https://openfinanceguide.com/en/dsp3/obligations/ob-obs-004