What types of documents does HZN publish?

Croatian standards (HRN) and other type of normative documents, such as:
–      Croatian technical specification (HRS)
–      Croatian technical report (HRI)
–      amendment (A)
–      corrigendum (Ispr.)
–      HZN guide (HRU)
–      Croatian prestandard (HRS ENV).
They are either pure national (Croatian) documents or adoptions of international, European or documents of standards bodies of other countries. More information is available in HZN's Internal Rules for Standardization (UPN), Part 2: Types of documents and their designation.