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Laws, sources and versions

A legal conclusion should be traceable to a specific provision. This register links to official sources used in our legal research. Our explanations and practical steps are in the guides by legal topic.

Using a source: check the text and amendments, the article or section, its addressee and conditions of application. An original published text is not a consolidated version. A source-record check date below is not a legal deadline.

Legislation and non-binding guidance are separated from proposals and earlier versions. Listing a source does not mean every provision is explained in Docs. The register reflects our records as of 20 September 2026; it is not an exhaustive list of all law applicable to your organisation. Official source titles and version descriptions retain their original language. EU publishers usually offer other language versions on the linked page.

Meaning of guidance: listing a document as non-binding does not remove a duty to take particular recommendations into account where applicable legislation refers to them (for example NÚKIB cryptography recommendations in Decree 409/2025 § 25 and Decree 410/2025 § 13). Historical documents and drafts refer to the stated version; listing them does not assert completion of all later procedural steps.

Legislation and amendments

Non-binding guidance

Earlier versions and proposals

From a source to a decision

Record the exact provision and version, why it applies to your situation, the relevant date and the action required. Identify unanswered questions for follow-up.

Legal scope · Dates and transitional rules · Templates and checklists