Preamble
Recitals 19
Chapter I - SCOPE AND DEFINITIONS (Article 1-2) 2
Chapter II - BASIC TECHNICAL CHARACTERISTICS AND PARTICULAR SAFEGUARD PROVISIONS (Article 3-8) 6
Chapter III - NUCLEAR MATERIAL ACCOUNTANCY (Article 9-22) 14
Chapter IV - TRANSFERS BETWEEN STATES (Article 23-26) 4
Chapter V - SPECIFIC PROVISIONS (Article 27-38) 12
Chapter VI - SPECIFIC PROVISIONS APPLICABLE IN THE TERRITORY OF THE NUCLEAR-WEAPON MEMBER STATE (Article 39) 1
Chapter VII - FINAL PROVISIONS (Article 40-44) 5
Annexes 31
- Annex I
- Annex I-A
- Annex I-B
- Annex I-C
- Annex I-D
- Annex I-E
- Annex I-F
- Annex I-G
- Annex I-H
- Annex I-J
- Annex I-K
- Annex I-L
- Annex I-M
- Annex I-N
- Annex I-P
- Annex I-Q
- Annex II
- Annex III
- Annex IV
- Annex V
- Annex VI
- Annex VII
- Annex VIII
- Annex IX
- Annex X
- Annex XI
- Annex XII
- Annex XIII
- Annex XIV
- Annex XV
- Annex XVI

effective kilogram

Definitions over time (1)

06/07/2025 – today applies on 11/11/2026 Article 2, Commission Regulation (Euratom) 2025/974 Scope: Whole act

‘effective kilogram’ is a special unit used in the context of safeguarding nuclear material, obtained by taking: for plutonium, its weight in kilograms; for uranium with an enrichment of 0,01 (1 %) and above, its weight in kilograms multiplied by the square of its enrichment; for uranium with an enrichment below 0,01 (1 %) and above 0,005 (0,5 %), its weight in kilograms multiplied by 0,0001; and for depleted uranium with an enrichment of 0,005 (0,5 %) or below, and for thorium, its weight in kilograms multiplied by 0,00005;