The Hague International Space Resources Governance Working Group, of which SWF is a member, announces the publication of its Commentary on the Building Blocks for the Development of an International Framework on Space Resources Governance. The Commentary is published by Eleven International Publishing and offers background information on the work of the Group and the formulation of the Building Blocks. It includes the explanation, legal basis and discussed alternatives for each of the 20 Building Blocks, along with a summary of the Working Group activities. The publication can be read online here; and is available for purchase in hard copy through Eleven Publishing. Secure World Foundation provided partial sponsorship for the online availability of the Commentary.