Each year since 2009, at the International Astronautical Congress, the Nandasiri Jasentuliyana Keynote Lecture on Space Law is presented by a leading expert on space law.

The 2013 Nandasiri Jasentuliyana Keynote Lecture on Space Law was presented at the IISL colloquium during the IAC in Beijing, China. It was given by Tare C. Brisibe and is entitled A Normative System for Outer Space Activities in the Next Half Century.

The keynote lecture is published in the IISL Proceedings 2013 and a summary is available in the 2013 IISL Colloquium report. The text of the keynote lecture can be accessed below.

A Normative System for Outer Space Activities in the Next Half Century

By Tare C. Brisibe