File:Rank insignia of Czechoslovak State Railways (1934-1938).jpg

According to the Czech Copyright Act, this work is in the public domain.

(Law No. 121/2000, Article 3, Section a)

“Protection pursuant to this Act shall not apply to

• an official work, such as a legal regulation, decision, public charter, publicly accessible register and the collection of its records, and also
• an official draft of an official work and other preparatory official documentation including the official translation of such work,
• Chamber of Deputies and Senate publications,
• a memorial chronicle of a municipality (muncipal chronicle),
• a state symbol and symbol of a regional self-governing unit,
• and other such works where there is public interest in their exclusion from copyright protection.”

Hence it is assumed that this work has been released into the public domain. However, in some instances the use of this work might be regulated by other laws.

This work is in the public domain in the U.S. because it is an edict of a government, local or foreign. See § 313.6(C)(2) of the Compendium of U.S. Copyright Office Practices, 3rd ed. 2014 (Compendium (Third)). Such documents include "legislative enactments, judicial decisions, administrative rulings, public ordinances, or similar types of official legal materials." These do not include works first published by the United Nations or any of its specialized agencies, or by the Organization of American States. See Compendium (Third) § 313.6(C)(2) and 17 U.S.C. § 104(b)(5).

A non-American governmental edict may still be copyrighted outside the U.S. Similarly, the above U.S. Copyright Office Practice does not prevent U.S. states or localities from holding copyright abroad, depending on foreign copyright laws and regulations.