What is the ISTC?
The International Standard Text Code (ISTC) is a numbering system developed to enable the unique identification of textual works.

Who can apply for an ISTC?
An ISTC can be applied to any textual work by any authorized representative of the author of a textual work.

Is the ISTC an official international standard?
Yes, the ISTC standard is published by the International Standards Organization as ISO 21047.

Learn more about the ISTC