IHL rules governing humanitarian access are exposed on the page, IHL and Humanitarian Assistance, and refer to “UN Security Council Resolution on the Conflict in Syria”, a case study exploring the UN Security Council resolution on humanitarian access, as well as “ICJ, Nicaragua v. United States [Paras 242 and 243]”, which reviews considerations of the International Court of Justice on this question.
In the “A to Z” section, the “Humanitarian Assistance” notion will give you an overview of the platform’s resources on questions related to humanitarian access.
The ICRC Q&A and lexicon on humanitarian access can also provide useful insights, while issues of the International Review of the Red Cross on “ICRC: 150 Years of Humanitarian Action” and “The future of humanitarian action” help further reflection and research on the topic.