Three gates — and not one of them is technical1'390 of 1'432 rules apply in every canton14 of 26 cantons accept third-party software — Zürich does not33'000 words of cantonal documentation · 0× eCH-0276Obwalden: four tax periods ahead890 → 892 elements, 88 type changes, same version string11 predictions — each dated, each with a falsifierThree gates — and not one of them is technical1'390 of 1'432 rules apply in every canton14 of 26 cantons accept third-party software — Zürich does not33'000 words of cantonal documentation · 0× eCH-0276Obwalden: four tax periods ahead890 → 892 elements, 88 type changes, same version string11 predictions — each dated, each with a falsifier

Regulatory Reporting Automation & Tax Tech SaaS

Two standards, 26 cantons

Machine-readable annual accounts: we are in the thick of it. We follow what the cantons, the SSK and eCH publish, as it appears — 255 documents so far, each dated, each checkable. Out of that comes the map from a finished Jahresrechnung to an accepted submission: what already carries, what is still open, and how you can tell when it moves. New source, new version — we keep up.

Series · 14 parts

01The thesis — and how to refute it 02Two lanes, three artefacts — and why there are two formats 03Three gates, not one 04Zürich, read as a norm — what LS 631.121 actually says 05What «rechtsgültig» means operationally — the identity layer 06The null count — six terms, 33'000 words, six zeros 0726 cantons — the table, and what it says about Zürich 08Obwalden — four tax periods ahead, and what they did not buy 09Federalism is smaller than its reputation — and larger 10A chapter for implementers — the drift, and the gap we know 11The Aktiengesellschaft that does not appear in the taxonomy 12What we built — and what it cannot do 13Disclosure — what we have not done 14Predictions — class, grade, falsifier

What this is about

Annual accounts are to reach the cantonal tax office in machine-readable form. The format for that is published. What we worked through is what today sits between a finished file and an accepted submission: 255 primary documents, every statement carrying its source and date.

Three things determine the route, and all three are on the record: a login issued to a natural person · a contractual framework its own custodian describes as still to be created · and an instruction that does not appear in some 33'000 words of cantonal documentation.

Guide

1The Jahresrechnung under the Code of ObligationsWhat the balance sheet, income statement and notes must contain, who has to prepare them, and how they reach the tax office today.2Who may file?Representation, mandate and access credentials: what § 11 of the Zürich ordinance permits, and what it deliberately does not.3Canton Zürich: what has changedZHcorporateTax since August 2025, some 97'000 legal entities — and the parts of the procedure still running on paper.4Checking a provider: what mattersFour questions any provider can be asked — ourselves included: tax secrecy, where data sits, retention, credentials.5Common questions on filing in ZürichIs it mandatory? What does the portal accept today? Can my Treuhand file for me, and how?6Glossary of termseCH-0276, XBRL, Deklarationslösung, Distributor, AGOV: 18 terms, each in plain language and precisely, with a named source.

Where we stand, and corrections

eBilanz Fabrik is a German sole proprietorship. These pages are information — neither tax advice nor legal advice. We have not yet seen an import into ZHcorporateTax with genuine cantonal access.

Everything here rests on publicly available documents; every statement carries its source and its date. If something is wrong, out of date or incomplete, write to us: hello@ebilanzfabrik.de — we correct it and note the change. Research as at 4 August 2026. The full legal statements are in the imprint, the terms and the privacy notice.