According to the Law of Ukraine "On Standardization":
Codes of good practice - is a normative document containing recommendations on practices or procedures for the design, manufacture, installation, maintenance or operation of equipment, structures or articles.
Codes of good practice as well as DSTU can be developed by TC and adopted by the authorized body, ie UkrNDNC, or as SOI or STE developed and adopted by institutions and enterprises.
The only difference between the Codes and the standards is their scope (equipment and structures).
The code of good practice may be adopted in the form of a standard or part thereof, or as a separate document.