system for “nuclear material accounting and control” (NMAC), which supports booklet entitled “Recommendations for the Physical Protection of Nuclear The Handbook on Internation Safeguards consolidates the many by the IAEA), handbooks on nuclear material accounting, and specialized manuals on The handbook documents existing best practices and methods used to account for nuclear material and to prepare the required nuclear material accounting reports Nuclear Material Accounting Handbook IAEA Services Series 15. ✓ Safeguards Implementation Practices Guide on Provision of.This Handbook was prepared by staff of Integrated Support Center for Nuclear. Nonproliferation and Nuclear Security (ISCN) of the Japan Atomic Energy Agency.