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Classification - NSZOR

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Short description

The CSNO (Classification System of Nonprofit Organizations) is a three-level activity classification system based on international recommendations. It classifies the basic and public benefit activities of foundations and memberships, taking into account the following dimensions of the activity:

  • characteristics of the activity,
  • target group of the activity,
  • institutional background of the activity.

NSZOR’16 short description (pdf, 98 KB)


Code numbers and descriptions of items of the classification.

  1. Level 1: 19 main groups of activities, identified by four-digit numerical codes (0001 to 0019);
  2. Level 2: 67 activity groups identified by four-digit numerical codes (0011 to 0199);
  3. Level 3: 250 activity sub-groups identified by four-digit numerical codes (0111 to 1999).

NSZOR’16 structure (xlsx, 22 KB)

Explanatory notes

The explanatory notes determine the contents of the classification items. They help to find the appropriate category in the classification.

There are no explanatory notes for this classification.

Search engine

It supports the quick search in the classification. After searching by code number or text, it displays those items of the classification that contain the relevant code number or text.

There is no search engine for this classification.


Principles and rules of classification to be applied.

There is no methodological guide for this classification.

Correspondence tables

Conversion key between the items of the current version of classification and those of the previous version.

NSZOR – NSZOR’16 correspondence table (xls, 77 KB)

Legal basis

Legislation ordering the use of the classification:

There is no relevant legislation or regulation in this respect.

Predecessor classification (Old versions)

Previous versions of the classification can be found here.

NSZOR structure (xlsx, 19 KB)

International version of classification

ICNPO (xlsx, 12 KB)

ICNPO – NSZOR’16 correspondence table (xlsx, 21 KB)

For further assistance in the use of the classification click here.