> For the complete documentation index, see [llms.txt](https://www.headlesslaw.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.headlesslaw.com/psd2/titles/i.md).

# Title I — Subject matter, scope and definitions

Articles 1–4 of Directive (EU) 2015/2366 (PSD2).

* [Article 1 — Subject matter](/psd2/articles/1.md)
* [Article 2 — Scope](/psd2/articles/2.md)
* [Article 3 — Exclusions](/psd2/articles/3.md)
* [Article 4 — Definitions](/psd2/articles/4.md)