Republic from the Czech law Vyhláška č. 30/2001 Sb. (see http://aplikace.mvcr.cz/archiv2008/sbirka/2001/sb011-01.pdf). English determination method: SHA-1
File:CZroadsignC01.svg is a vector version of this file. It should be used in place of this PNG file when not inferior. File:PZ-C1.png → File:CZroad sign
File:CZroadsignC01.svg is a vector version of this file. It should be used in place of this JPG file when not inferior. File:C01cr.jpg → File:CZroad sign