NRC Form 327: Special Nuclear Material (SNM) and Source Material (SM) Physical Inventory Summary Report
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The U.S. Nuclear Regulatory Commission is renewing OMB approval for NRC Form 327, used by fuel facility licensees to report physical inventories of Special Nuclear Material (SNM) and Source Material (SM). This information collection helps the NRC monitor material control and accounting programs to prevent theft or diversion of nuclear materials. Reporting frequency depends on the strategic significance of the SNM held: every 6 months for strategic SNM, every 9 months for moderate significance (with some enrichment facilities reporting dynamic inventories every 3 months), and annually for low significance (with some reporting dynamic inventories every 2 months). The renewal estimates 7 respondents submitting 77 responses annually, requiring 308 burden hours total. NUREG/BR-0096 provides detailed instructions for completing the form. Comments on the renewal are due by May 4, 2026.
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Key Changes
- Renewal of OMB control number 3150-0139 as an extension with no substantive changes to requirements
- Strategic SNM licensees must submit NRC Form 327 every 6 months
- Moderate strategic significance SNM licensees report every 9 months; enrichment facilities report dynamic inventories every 3 months and static every 9 months
+ 3 more changes with Pro
Obligations
What this law requires
Fuel facility licensees possessing strategic SNM must submit NRC Form 327 reporting physical inventories every 6 months
Fuel facility licensees possessing SNM of moderate strategic significance must submit NRC Form 327 every 9 months, except enrichment facilities must report dynamic inventories every 3 months and static inventory every 9 months
Fuel facility licensees possessing SNM of low strategic significance must submit NRC Form 327 annually, except enrichment facilities must report dynamic inventories every 2 months and static inventory annually
Fuel facility licensees must complete NRC Form 327 in accordance with instructions provided in NUREG/BR-0096
NRC Form 327 submissions must document Special Nuclear Material (SNM) physical inventory data including enriched uranium, plutonium, or U-233