Schedule 1 Limits on mass of fissile material
| Fissile material | Mass |
|---|---|
| Plutonium as Pu 239 or Pu 241 or as a mixture of plutonium isotopes containing Pu 239 or Pu 241 | 150 grams |
| Uranium as U233 | 150 grams |
| Uranium enriched in U 235 to more than 1% but not more than 5% | 500 grams |
| Uranium enriched in U 235 to more than 5% | 250 grams |