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In forceInvestment firms and brokerage activity of banks (national)Last checked 11 November 2026

Half-yearly activity report (PRN-01 / PRN-02 / PRN-03 / PRN-04)

A regulatory return listed by the Polish Financial Supervision Authority (KNF), Poland.

The half-yearly report on the firm's brokerage or custody activity, in the form set by the regulation for each type of firm. If activity starts in May, June, November or December, the data can be combined with the next half-year. Source

Official title: Półroczne sprawozdanie z działalności (PRN-01, PRN-02, PRN-03, PRN-04)

The facts

Who files
Brokerage houses and brokerage offices (PRN-01, § 30(1)), custodian banks (PRN-02, § 27(1)), banks under Article 70(2) of the Act on trading (PRN-03, § 24(1)) and branches of foreign investment firms (PRN-04, § 25(1)) (map). Source
How often
Half-yearly (map). Source
Deadline
6 weeks from the end of the half-year (map). Source
Format
Other. ESPI form 'DM_PRN-01, BM_PRN-01, POW_PRN-02, B70_PRN-03 or ZFI_PRN-04' sent to KNF's non-public PRDM chancery (DBK/DBS chancery for PRN-03) (reporting map). Source
How it is filed
Filing routes recorded for the KNF: ESPI (Elektroniczny System Przekazywania Informacji, Electronic Information Transmission System); Portal KNF (KNF Portal), with the Data Transmission Application (ATD); WebService KNF; CRP communication subsystem (Podsystem Komunikacji CRP), including the DORA Reporting System (SSD); e-RUP reporting forms; Aplikacja Sprawozdawcza SNU (Reporting Application); NBP SIS (reporting system of Narodowy Bank Polski). See how firms file with the KNF.
Status
In forceThe map notes that the Minister of Finance regulation of 17 July 2025 amending the 2024 regulation repealed point IX of the PRN-01, PRN-02 and PRN-04 forms. Source
Legal basis
Group
Investment firms and brokerage activity of banks (national)

Templates (4)

The tables and forms inside the return. Plain name first, the KNF's code in brackets.

  • Half-yearly activity report of brokerage houses and brokerage offices (annex 10) (PRN-01)
  • Half-yearly activity report of custodian banks (annex 9) (PRN-02)
  • Half-yearly activity report of banks under Article 70(2) (annex 6) (PRN-03)
  • Half-yearly activity report of branches of foreign investment firms (annex 7) (PRN-04)

The four PRN forms named in the reporting map, with the regulation annex each follows; KNF does not publish the forms on the pages checked. Source

Validation rules

No published validation rules were found for this return. No validation rules for this return were found on the pages checked. Source

Public data

No published data from this return was found. No data from this return published by KNF was found on the pages checked. Source

Official documents (5)

The KNF's own files, with the size and SHA-256 fingerprint of each as downloaded on 11 November 2026, so anyone can tell whether a copy is the same version.

  • Mapping raportowania na podstawie Rozporządzenia oraz innych aktów prawnych

    List of returns · XLSX · 66.2 KB

    KNF's map of the obligations under the 2024 regulation and other acts for brokerage houses, brokerage offices, banks under Article 70(2), custodian banks and branches of foreign investment firms: 346 rows (42 periodic, 304 current), each with legal basis, entity type, scope, frequency, deadline, ESPI form and chancery. Sheet 'Zakres informacji'.

    SHA-256 4f4a51b4fee2show in full4f4a51b4fee2cf9d0116011f9b4c699daefbb5d8e4612f341ca5b3cd8f49e465
  • Q&A w sprawie raportowania

    Guidance · XLSX · 2.6 MB

    KNF's questions and answers on reporting under the 2024 regulation (sheets 'Raport' and 'Ogólne').

    SHA-256 b9db5f63e401show in fullb9db5f63e401c9251a39a55a7d541bbd2bc0d7b8a85f26d7c30d3e00663caee6
  • Elektroniczny System Przekazywania Informacji (ESPI)

    Guidance · HTML · 20 October 2026

    ESPI access, rules, documents and instructions; also the ZAFI (AIFMD) schemas and validation rules, CSDR Article 9 reporting, the investment firm reporting map and the IFD-IFR reporting instruction.

  • Regulamin korzystania z Elektronicznego Systemu Przekazywania Informacji (ESPI)

    Filing rules · PDF · 760.1 KB

    Rules for using ESPI. The ESPI page says the new rules came into force on 18 October 2025 and extend ESPI to institutions running IKE and IKZE accounts.

    SHA-256 328c9fe021e7show in full328c9fe021e7ce3c54e8c723428e93753ce79dfe8c6b8f86dc59ac610fc3140c
  • Przekazywanie informacji przez podmioty nadzorowane (information sent by supervised entities)

    List of returns · HTML

    KNF's index of reporting pages: ESEF, TFI, ZASI, depositaries, sales activity of investment firms, MiFIR, OAM and payment service providers.

Sources

Every page and document this return's facts were read from.

Knowing exactly what is collected, in what format and under which rules is the first step to real-time supervision. Line4 builds SupTech software for financial regulators that runs checks like these as each return arrives.

Line4's text and records here are free to reuse under CC BY 4.0. Please credit: “Source: Line4 regulatory submissions library (CC BY 4.0), https://www.line4.ai”. The regulators' documents, forms, taxonomies, rules and data belong to them: see KNF's reuse terms. This describes what regulators publish. It is not legal or regulatory advice: always rely on the regulator's own text.

Źródło: Komisja Nadzoru Finansowego, www.knf.gov.pl (https://www.knf.gov.pl) and https://sprawozdawczosc.knf.gov.pl. Source: Polish Financial Supervision Authority (KNF).

Last checked 11 November 2026.