![CO](https://cdn.slatesource.com/3/f/7/3f7ae049-3682-4254-a83e-37575640db4b.webp)

# CO

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- Created on Aug 13, 2026

## CO

SR 220 — Federal Act of 30 March 1911 on the Amendment of the Swiss Civil Code (Part Five: The Code of Obligations).

[fedlex.data.admin.ch](https://fedlex.data.admin.ch/eli/cc/27/317_321_377?utm_source=slatesource)

English is not an official language of the Swiss Confederation. This translation is provided for information purposes only and has no legal force. English consolidation of 1 January 2026, which is also the date of the current binding text.

[fedlex.data.admin.ch](https://fedlex.data.admin.ch/eli/cc/27/317_321_377?utm_source=slatesource)

## Preamble

The Federal Assembly of the Swiss Confederation, having considered the Dispatches of the Federal Council dated 3 March 1905 and 1 June 1909 decrees:

BBl 1905 II 1, 1909 III 747, 1911 I 695

## Contents

1\. General Provisions — 193 articles 2. Types of Contractual Relationship — 573 articles 3. Commercial Enterprises and the Cooperative — 525 articles 4. The Commercial Register, Business Names and Commercial Accounting — 80 articles 5. Negotiable Securities — 232 articles 6. Transitional Provisions to the Federal Act of 30 March 1911 — 0 articles 7. Final Provisions to the Amendment of 23 March 1962 — 4 articles 8. Transitional Provisions to the Amendment of 16 December 2005 — 11 articles 9. Transitional Provision to the Amendment of 17 June 2011 — 0 articles 10. Transitional Provision to the Amendment of 23 December 2011 — 2 articles 11. Transitional Provisions to the Amendment of 12 December 2014 — 3 articles 12. Transitional Provisions to the Amendment of 25 September 2015 — 3 articles 13. Transitional Provisions to the Amendment of 17 March 2017 — 2 articles 14. Transitional provisions to the Amendment of 21 June 2019 — 8 articles 15. Transitional Provision to the Amendment of 19 J

[Official text on Fedlex — consolidation of 1 January 2026](https://fedlex.data.admin.ch/filestore/fedlex.data.admin.ch/eli/cc/27/317_321_377/20260101/en/html/fedlex-data-admin-ch-eli-cc-27-317_321_377-20260101-en-html-2.html?utm_source=slatesource)