By Michelle Barker, Leyla Jael Castro, Bernadette Fritzsch, Daniel S. Katz, Carlos Martinez-Ortiz, Anna Niehues, Alexander Struck, Qian Zhang [This blog past has been cross-posted by the Software Sustainability Institute, Netherlands eScience Center, and others.] The FAIR for Research Software (FAIR4RS) Principles aim to promote and encourage the findability, accessibility, interoperability, and reusability (FAIR) of research software.