---
title: "Fissile Material Cut-off Treaty (FMCT) Explained"
description: "The Fissile Material Cut-off Treaty aims to ban the production of fissile material for nuclear weapons, crucial for global disarmament efforts."
url: "https://modeldiplomat.com/learn/glossary/fissile-material-cut-off-treaty"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- The Fissile Material Cut-off Treaty is a proposed multilateral agreement that would ban the production of fissile material for nuclear weapons or other explosive devices.
- Why has the FMCT never been negotiated despite a mandate since 1995?
- What is the difference between a 'cut-off' treaty and a 'Fissile Material Treaty'?
- How does the FMCT relate to the NPT and CTBT?
- What is India's position on the FMCT?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

The Fissile Material Cut-off Treaty is a proposed multilateral agreement that would ban the production of fissile material for nuclear weapons or other explosive devices.

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In 2009 the Conference on Disarmament adopted programme of work CD/1864 authorising FMCT negotiations, but consensus collapsed before substantive talks began when Pakistan blocked progress over the exclusion of existing stockpiles.

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