SIR is an open access journal which means that all the content is freely available without any charges to the readers or institutions. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, without asking prior permission from the publisher or the author.

All articles are available on the internet to all users immediately upon publication. Non-commercial and commercial use and distribution in any medium is permitted, provided the author and the journal are properly credited.