The facts
- Who files
- Monetary financial institutions (other than money market funds) licensed in Slovenia; branches of Member State banks report under a separate Decision (Sklep o poročanju podružnic bank držav članic). Source
- How often
- The regular monthly reports BS1S, BDOG and BS1V are due by the 10th working day of the month. The regular quarterly report BS1K is due by 12 May, 11 August and 11 November for March, June and September, and by 5 February for December. Source
- Deadline
- BS1S, BDOG, BS1V: by the 10th working day of the month. BS1K: 12 May, 11 August, 11 November (March/June/September quarters) and 5 February (December quarter). Source
- Format
- XML. Submitted as XML files (schemas BS01, BS1K, BDOG, BS1KP, BSMAP, BSPOV, BSSOL, BS1VZ and others) through Banka Slovenije's file-exchange channels. Source
- How it is filed
- Filing routes recorded for the BS: BS_B2BWS web services; ZBS_B2BService; iBSWSClient; Web pages for file exchange (Izmenjava datotek); iBSReport2; AIF reporting application; PS Tarife application. See how firms file with the BS.
- Status
- In forceBanka Slovenije's page lists a new Decision on reporting by monetary financial institutions (Uradni list RS, No 888/2026) and new Instructions (Uradni list RS, No 1282/2026), in force from 1 January 2027. The previous Decision (Uradni list RS, No 184/21) applies until then. The templates listed here are the 13 annexes to the new Instructions. Source
- Legal basis
- Group
- Banks and savings banks (national)
Templates (13)
The tables and forms inside the return. Plain name first, the BS's code in brackets.
- Balance sheet items with interest rates (BS1S)
- Credit-risk parameters (BS1K)
- Final write-offs (BDOG)
- Revaluation balance with transactions (BS1V)
- Servicing and commission sub-balance transactions (BS1KP)
- Joint and several liabilities (BSSOL)
- Collateral table (BSZAV)
- Relational table allocating collateral value (BS1VZ)
- Relational table of related parties (BSPOV)
- Monitoring of macroprudential real-estate instruments (BSMAP)
- Report on closed transactions with natural persons (Poročilo o zaključku poslov s fizičnimi osebami) (BSZAK)
- Loan moratoria and non-performing transactions (BSZAM)
- Securities holdings for banking groups (SHSG)
13 annexes to the current (from 1 January 2027) instruction; each is a separate workbook, not a sheet within one file. Source
Validation rules
No published validation rules were found for this return. No separate validation-rules file found on the pages read; only Q&A notes on past amendments (BSMAP, COVID) are published. Source
Public data
No published data from this return was found. No data from this return published by Banka Slovenije was found on the pages checked. Source
Official documents (17)
The BS's own files, with the size and SHA-256 fingerprint of each as downloaded on 13 November 2026, so anyone can tell whether a copy is the same version.
- Regulation on reporting by MFI (English version of the Decision on reporting by monetary financial institutions)
Legal text · DOCX · 44.5 KB · 28 July 2026
SHA-256
809eb0fe8fd3show in full809eb0fe8fd39db96924ad922fc71b30f498072db27985badbaa8ed21087a58f - Instructions for implementing the Decision on reporting by monetary financial institutions, with index (in force from 1 January 2027)
Instructions · PDF · 2.6 MB · 28 July 2026
SHA-256
3f681c626cd6show in full3f681c626cd66af1a582fc171b1f707b59d88fc1ce793e46904c6d39b2a438a3 - List of international institutions (for PORFI counterparty classification)
Guidance · XLSX · 27.6 KB · 7 September 2026
SHA-256
9253833b2e7fshow in full9253833b2e7f61575a23ede3fc30182be14ccc32168734ed3f1f05bda02c8636 - Zakon o Banki Slovenije (Bank of Slovenia Act)
Legal text · HTML
pisrs.si renders this register entry with JavaScript; the HTTP response read in this session is the application shell, not the law's text. Link kept as the official register entry (robots.txt allows crawling; no terms-of-use page was found on the site).
- Annex BS1S: balance sheet items with interest rates
Template · XLSX · 360.6 KB · 28 July 2026
SHA-256
cef460c7a954show in fullcef460c7a954b1f5f33ac395924e3f3d60559e95871d45756ac99652e3d28cee - Annex BS1K: credit-risk parameters
Template · XLSX · 25.1 KB · 28 July 2026
SHA-256
52a5d8aeb31ashow in full52a5d8aeb31a0ee7fa8add3f021d2dee289ef6a2ef4bf9281838c04c721f8c1d - Annex BDOG: final write-offs
Template · XLSX · 20.9 KB · 28 July 2026
SHA-256
3da604ef2a78show in full3da604ef2a7830f61a8779c330d0c78cc82c211d4cdc2e7c23170caaed756c64 - Annex BS1V: revaluation balance with transactions
Template · XLSX · 36.0 KB · 28 July 2026
SHA-256
bfade4d422aeshow in fullbfade4d422aea431bcf0f94a7b5d902445a9a5f968c514bfa8db45829f22a15e - Annex BS1KP: servicing and commission sub-balance transactions
Template · XLSX · 18.8 KB · 28 July 2026
SHA-256
5a507e57201dshow in full5a507e57201d5c0da5ed9bf5e9a99def55d2f4647cb521a4a0acdb6d326bcf6a - Annex BSSOL: joint and several liabilities
Template · XLSX · 16.9 KB · 28 July 2026
SHA-256
a8151b5a87cdshow in fulla8151b5a87cd03c2bb5692bd44c0bc144ee6a22227afbee0925b5a78ce328a67 - Annex BSZAV: collateral table
Template · XLSX · 17.2 KB · 28 July 2026
SHA-256
eb240006fe30show in fulleb240006fe304a56d2000ded0bc34c35d8fd1ab02c9e277b498e0d4ba037c9b8 - Annex BS1VZ: relational table allocating collateral value
Template · XLSX · 16.8 KB · 28 July 2026
SHA-256
26bbdf689096show in full26bbdf6890967133707662293b80cd9efe0bee6725a4d38086d49b157f483061 - Annex BSPOV: relational table of related parties
Template · XLSX · 16.9 KB · 28 July 2026
SHA-256
6005d95b05abshow in full6005d95b05abb9c304fe1778c5d93dbcfdc54a62076d1db827dd5f0ec227d043 - Annex BSMAP: monitoring of macroprudential real-estate instruments
Template · XLSX · 18.9 KB · 28 July 2026
SHA-256
fc252d7bfb81show in fullfc252d7bfb81821b3f8aa221421ca091c8b0007f66ba042adc8111a94820fa9f - Annex BSZAK: report on closed transactions with natural persons
Template · XLSX · 17.7 KB · 21 August 2026
SHA-256
2a98b911d286show in full2a98b911d2862946a3b65b7dc8b5bb9cceb5a9f4949d53967135fc39a14a6ec9 - Annex BSZAM: loan moratoria and non-performing transactions
Template · XLSX · 18.2 KB · 28 July 2026
SHA-256
564f773cb260show in full564f773cb260f59f995838da6744b7ebd11c42e5b018bd3d5d933ba26d774d98 - Annex SHSG: securities holdings for banking groups
Template · XLSX · 19.8 KB · 28 July 2026
SHA-256
27d9ca3cec2dshow in full27d9ca3cec2d9ddf3ad28f70c49131597800db44c4085d421cc8aba0c4b0b83f
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 own text, and the way Line4 has collected and arranged these records, 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 facts themselves belong to no one. The regulators' document titles, template names, quoted terms and documents belong to them and are not covered by this licence: see BS's reuse terms. This describes what regulators publish. It is not legal or regulatory advice: always rely on the regulator's own text. Not affiliated with or endorsed by any regulator.
Source: Banka Slovenije (BS), https://www.bsi.si. Documents are linked on the regulator's own site, not hosted here. The plain-English summaries are Line4's own; Banka Slovenije does not endorse this library.
Last checked 13 November 2026.
