It used to be 18 dollars in the ANSI webstore for quite some time. Also, you can look at smaller European countries putting their national cover page on it, an

It used to be 18 dollars in the ANSI webstore for quite some time. Also, you can look at smaller European countries putting their national cover page on it, and selling it cheaper. It’s the same standard, in English. The C standard is only a bit cheaper at the Lithuanian agency: https://eshop.lsd.lt/public#!/product/info/0a640332-9273-1660-8193-2b97ec25036e https://eshop.lsd.lt/public#!/product/info/0a640332-9273-166... Sometimes it‘s much cheaper: the Germans sell IEC 62443-4-2 for 400 Euros, the Estonians for 40 Euros: https://www.dinmedia.de/de/norm/csa-iec-62443-4-2/331021994?queryId=2551d816a233864f03f8c88e3430e597&indexName=prod_dinmedia_products&position=2 https://www.dinmedia.de/de/norm/csa-iec-62443-4-2/331021994?... https://www.evs.ee/et/evs-en-iec-62443-4-2-2019 https://www.evs.ee/et/evs-en-iec-62443-4-2-2019