FASB / IASB, Transition Resources Group, AICPA.
Revenue Recognition Transition Resource Group – Implementation Q&A
https://fasb.org/jsp/FASB/Page/SectionPage&cid=1176164066683
Engineering & Construction Contractors Revenue Recognition Task Force
Health Care Entities Revenue Recognition Task Force
Asset Management Revenue Recognition Task Force
Not-for-Profit Entities Revenue Recognition Task Force
Software Entities Revenue Recognition Task Force