Please note:
* This applies only to the coat of arms definition (composition / description). The representation of a coat of arms is an artistic creation, subject as such to copyright laws.
Usage on Commons:
* Please provide licence information for the coat of arm representation, information for the author of the picture, and the source if not self-made work.
* Some compositions, of more recent origin, may be subject to author's rights.
Restriction of use - Legal notice:
* Most of the time, the usage of coats of arms is governed by legal restrictions, independent of the status of the depiction shown here. A coat of arms represents its owner. Though it can be freely represented, it cannot be appropriated, or used in such a way as to create a confusion with or a prejudice to its owner.

Article 8.

1. The subject matter of copyright shall include expressions and not ideas, procedures, methods of operation or mathematical concepts as such.
2. The subject matter of copyright shall not include:

   (1) discoveries, official texts in the domain of legislation, administration, judiciary (acts, regulations, decisions, reports, minutes, judgments, standards, and the like) and other official works and their collections, disclosed for the purpose of officially informing the public;

   (2) news of the day and other news, having the character of mere items of press information;

3. Folk literary and artistic creations in their original form shall not be the subject matter of copyright, but their communication to the public is subject to the payment of remuneration, as for the communication to the public of protected copyright works. The remuneration shall be the revenue of the budget, and shall be used for improving the creativity in the field concerned.

Note:

Translations of official texts in the domain of legislation, administration and judiciary, shall be protected, unless made for the purpose of officially informing the public and are disclosed as such.

Full text of the Law: in Croatian, in English.