<ul><li><a href=https://www.kacr.cz/file/3667/eticky-kodex_01-01-2007.pdf target=_blank>Code of ethics for auditors and accounting experts(Etický kodex pro auditory a účetní znalce, last update on 15 July 2017, Section 240  )</a></li><li><a href=https://www.zakonyprolidi.cz/cs/1990-526 target=_blank>Prices Act(Zákon o cenách, Act No. 526/1990 Coll., last update on 1 July 2017, § 2 - 10a  )</a></li><li><a href=https://www.mfcr.cz/cs/legislativa/cenovy-vestnik target=_blank>Price Bulletin(Website of the Ministry of Finance)</a></li></ul>